Sources: JAMA, 2026 · American Hospital Association
Ambient computing examples are systems that sense what is happening around them and act without you opening an app: an AI scribe that listens to a doctor’s visit and drafts the note, a thermostat that learns from motion, traffic lights that adapt to live traffic, or a car that notices you are drowsy. This guide covers twelve real examples in 2026, how strong the evidence behind each one is, and the risks.
Key takeaways
- → Google described ambient computing in 2019 as devices that “fade into the background, working together with AI and software to assist you.” (Google)
- → Healthcare has the strongest evidence: a 2026 JAMA study linked AI scribes to 13.4 fewer minutes of EHR time per 8 scheduled patient hours. (JAMA)
- → At Mass General Brigham, ambient documentation was associated with a 21.2% absolute drop in burnout after 84 days. (Mass General Brigham)
- → Pittsburgh’s adaptive Surtrac signals cut travel times by about 25% and wait times by 40% in their pilot. (Carnegie Mellon)
- → Since July 7, 2026, every new car sold in the EU needs a camera-based driver distraction warning. (European Commission)
- → The smart-home standard Matter launched in October 2022 and reached version 1.6 in June 2026. (CSA)
- → Ambient devices fail too: Humane’s AI Pin stopped working on February 28, 2025, and Amazon is closing its Go and Fresh stores. (TechCrunch, Amazon)
1What is ambient computing?
The roots are older. Mark Weiser wrote in 1991 that “the most profound technologies are those that disappear” (Weiser, 1991). In Europe, the IST Advisory Group (ISTAG) popularised “ambient intelligence” from 1999, imagining people “surrounded by intelligent and intuitive interfaces embedded in everyday objects” (ERCIM News). Walt Mossberg titled his final column, in May 2017, “The Disappearing Computer” (The Verge).
Ambient vs automation. A timer that switches the lights on at 7 p.m. is automation: it follows a fixed rule. An ambient system notices that someone came home after dark and adjusts to that. Ambient computing is closely related to zero UI, which is about interacting without a screen, and to calm technology, which is about how much attention technology demands.
2How ambient computing works
| Layer | What it does | Real example |
|---|---|---|
| 1. Sensing | Captures presence, sound, motion, location | mmWave presence sensors such as the Aqara FP2 detect people even when they sit still |
| 2. Connectivity | Lets devices talk to each other | Matter over Wi-Fi and Thread, set up via Bluetooth LE |
| 3. Inference | Works out what is happening | An AI scribe turns a conversation into a clinical note |
| 4. Decision | Chooses what to do | Adaptive traffic signals pick the next phase |
| 5. Action | Changes something in the world | A thermostat changes the temperature |
| 6. Human review | Lets people see, correct or undo | Clinicians review and sign the drafted note |
312 ambient computing examples

1. Ambient AI scribes in healthcare Peer-reviewed
AI scribes listen to a consultation and draft the clinical note for the doctor to review. In a JAMA study of 8,581 clinicians at five academic health systems, 1,809 of whom used scribes, adoption was associated with 13.4 fewer minutes of EHR time and 16.0 fewer minutes of documentation time per 8 scheduled patient hours (JAMA, 2026). The American Hospital Association calls the decrease “modest” (AHA).
Individual health systems report more:
- Cooper University Health Care: 4.15 minutes saved per patient, “approximately one hour or more saved daily” (AHA).
- Intermountain Health: 27% less time in notes per appointment with Microsoft Dragon Copilot, for clinicians with 10 or more encounters (AHA).
- Cleveland Clinic: two minutes less per appointment and 14 minutes less per day writing and reviewing notes (Cleveland Clinic).
- Mass General Brigham: a 21.2% absolute reduction in burnout at 84 days; Emory saw a 30.7% absolute increase in documentation-related well-being at 60 days (Mass General Brigham).
- Stanford: in a pilot with 45 physicians and 17,428 encounters, total EHR time fell by 19.95 minutes a day (JAMIA, 2025).
The tools are now mainstream products. Microsoft launched Dragon Copilot on March 3, 2025, combining dictation with ambient listening (Microsoft), and Abridge says it is used by more than 300 of the largest US health systems (Abridge, vendor claim).

2. A thermostat that learns from motion Product launch
Google’s fourth-generation Nest Learning Thermostat, announced August 6, 2024 at $279.99, “learns which temperatures you choose most often or changes in behavior based on motion detected in your home” (Google).
3. Presence sensing that knows you are still there Product launch
Classic motion sensors switch lights off when you sit still. Millimetre-wave radar sensors such as the Aqara FP2 detect presence “even for the slightest movements” and can divide a room into zones (Aqara).
4. One smart-home language: Matter Standard
Ambient homes need devices from different brands to cooperate. The Connectivity Standards Alliance released Matter 1.0 on October 4, 2022 (CSA). It runs over Wi-Fi and Thread (CSA). Version 1.5 added cameras in November 2025 (CSA), and 1.6 in June 2026 added more “context-driven control” (CSA).
5. Generative voice assistants at home Product launch
Amazon introduced Alexa+ on February 26, 2025 at $19.99 a month, free for Prime members (Amazon). Edison Research estimates that 39% of Americans aged 12 and older, about 112 million people, own a smart speaker (Edison Research, 2026). More on voice in our zero UI examples.
6. Cars that notice a tired driver Regulation
Under the EU General Safety Regulation, drowsiness and attention warning became mandatory for all new vehicles from July 2024 (German Ministry of Transport), and camera-based advanced driver distraction warning for all new vehicles from July 7, 2026 (European Commission). Tesla’s cabin camera monitors attentiveness while its supervised self-driving is engaged (Tesla).
7. Paying for fuel from the driver’s seat Product launch
Since September 2023, Mercedes-Benz drivers in Germany can start fuelling from the car and pay by fingerprint (Mastercard). It splits ambient car tech into two kinds: safety automation (example 6) and invisible transactions (this one).
8. Traffic lights that adapt in real time Pilot data
Carnegie Mellon’s Surtrac system lets traffic signals react to live traffic. Its pilot in Pittsburgh’s East Liberty produced “an overall 25% reduction in travel times, a 40% reduction in wait times, and a projected reduction in emissions of over 20%” (Carnegie Mellon).
9. Checkout-free retail, scaled back Partly retired
In April 2024 Amazon replaced Just Walk Out in its larger Fresh stores with Dash Carts, saying customers preferred them (Amazon). On January 27, 2026 it announced the closure of all Amazon Go and Fresh stores, while Just Walk Out runs in more than 360 third-party locations in five countries (Amazon). Smart fitting rooms are older: in 2015, Ralph Lauren’s Fifth Avenue store used mirrors that recognise items by RFID (Digiday). In retail, ambient assistance (a mirror that helps) is very different from ambient personalisation (a store that profiles you).
10. Hotel rooms that open with your phone Product launch
Apple Wallet can hold hotel room keys so an iPhone or Apple Watch unlocks the room at participating hotels (Apple), and Hilton’s Digital Key does the same through its app (Hilton). In February 2026 the CSA released Aliro 1.0, a standard for access credentials that includes ultra-wideband for hands-free unlocking (CSA).
11. Wearables that listen all day Mixed track record
Omi is a shipping, open-source AI pendant (Omi). Meta bought Limitless, maker of a pendant that records and transcribes conversations, on December 5, 2025 (Reuters). Humane’s $499 AI Pin stopped working on February 28, 2025, after HP bought most of the company’s assets for $116 million (TechCrunch). A smaller, older example: Android’s Adaptive Brightness, built with DeepMind in 2018, learns how you set the slider in different light (Google DeepMind).
12. Proactive physical security Vendor case study
Ambient.ai sells computer vision that analyses existing security cameras to flag threats in real time. The Harker School, a K-12 school, is one of its published customer stories (Ambient.ai). Before buying, ask vendors for false-positive and false-negative rates, response latency and bias testing.

4How strong is the evidence for each example?
| Example | Domain | Key result | Evidence |
|---|---|---|---|
| Ambient AI scribes (5 health systems) | Healthcare | −13.4 min EHR, −16.0 min documentation per 8 patient hours | Peer-reviewed |
| Ambient documentation (MGB, Emory) | Healthcare | −21.2% burnout (MGB); +30.7% well-being (Emory) | Peer-reviewed |
| Stanford pilot | Healthcare | −19.95 min total EHR time per day | Peer-reviewed |
| Cooper University Health Care | Healthcare | 4.15 min per patient | Health system report |
| Intermountain Health | Healthcare | −27% time in notes | Health system report |
| Cleveland Clinic | Healthcare | −14 min per day | Health system report |
| Surtrac adaptive signals | Cities | −25% travel time, −40% wait time | Pilot data |
| Abridge adoption | Healthcare | 300+ large US health systems | Vendor claim |
| Ambient.ai school | Security | Customer story | Vendor claim |
| Nest Learning Thermostat | Home | Learns from choices and motion | Launch |
| Matter 1.6 | Home | Multi-brand control standard | Launch |
| EU driver distraction warning | Vehicles | Mandatory on new cars since July 2026 | Launch / regulation |
| Just Walk Out | Retail | 360+ third-party locations; Amazon stores closing | Launch |
What users and clinicians say
The health-system reports above are positive. Reddit is more mixed. In r/medicine, a May 2026 thread titled “Are the AI scribes getting any better?” drew 269 upvotes and 176 comments, mostly about editing time. At home, the biggest 2025–2026 threads in r/googlehome (464 upvotes, 258 comments) and r/alexa (256 comments) were about assistants that became less predictable after their AI upgrades.
“I tried 1 last year. It was okay, but the amount of editing that I was having to do did not really help me out at all.”
r/medicine, May 2026
“It can generate polished notes, but it still misses details, misinterprets conversations, and occasionally documents things that weren’t actually said.”
r/Residency, August 2026
“That’s why I’m sticking with Assistant as long as possible, since at least it’s straightforward.”
r/googlehome, December 2025

5Risks and failures of ambient computing
- Less local processing. From March 28, 2025, Amazon ended Echo’s “Do Not Send Voice Recordings” option, which had kept audio out of Amazon’s cloud (AP).
- Bystanders. A pendant that records conversations also records people who never agreed to it. Ask how the device signals that it is recording.
- Disappearing products. When a company shuts down, an ambient device can become useless overnight, as Humane’s customers found (TechCrunch).
- Infrastructure cost. Checkout-free stores need cameras, models and operations behind the scenes. Amazon’s retreat shows that the economics matter as much as the experience.
- Over-trust. AI scribes still require clinicians to review every note. The JAMA authors found modest effects and no significant change in after-hours EHR time (JAMA).
6Evaluate an ambient computing use case
If the ambient system you are evaluating is an AI-built app, the same questions apply to where its data lives. See our guide to Lovable Cloud vs Supabase, and the wider theme of this site: what happens beyond the UI.
Frequently asked questions
What is an example of ambient computing?
What is ambient computing in simple terms?
Technology that works in the background of your surroundings and responds to what is happening, instead of waiting for you to open an app. Google described it as devices that “fade into the background.” Source: Google.
Who coined ambient computing?
Do ambient AI scribes really save doctors time?
Yes, but less than some vendors suggest. A 2026 JAMA study across five health systems found 16.0 fewer minutes of documentation per 8 scheduled patient hours and called the effect modest. Individual systems report more, such as 14 minutes a day at Cleveland Clinic. Sources: JAMA, Cleveland Clinic.
Is ambient computing the same as the Internet of Things?
Not quite. IoT describes connected devices; ambient computing is what those devices do together when they sense context and act. Standards such as Matter make that cooperation possible. Source: CSA.
About this guide
Each example is labelled by the type of evidence behind it. Health results come from the original JAMA, JAMA Network Open and JAMIA papers or the health systems’ own reports; product facts come from company announcements and standards bodies. Vendor claims are marked as such, and figures that could only be found on marketing blogs were left out.
- Sources: 41 linked sources
- Data range: 1991 – June 2026
- Last verified: October 6, 2026
AI assistance was used for research and drafting; all facts were checked against the linked sources.
Sources
- jamanetwork.com. “JAMA, 2026.” jamanetwork.com/journals/jama/fullarticle/2847319. Accessed Oct 6, 2026.
- aha.org. “6 Health Systems Enhancing Care Delivery with Ambient AI Scribes | AHA.” aha.org/aha-center-health-innovation-market-…. Accessed Oct 6, 2026.
- blog.google. “Google.” blog.google/products-and-platforms/devices/made-…. Accessed Oct 6, 2026.
- news.massgeneralbrigham.org. “Ambient Documentation Technologies Reduce Physician Burnout and Restore ‘Joy’ in Medicine | Mass General Brigham.” news.massgeneralbrigham.org/en/ambient-documentation-technologie…. Accessed Oct 6, 2026.
- icll.ri.cmu.edu. “Surtrac: Real-Time Adaptive Traffic Signal Control For Urban Road Networks – Intelligent Coordination and Logistics Laboratory.” icll.ri.cmu.edu/projects/traffic/. Accessed Oct 6, 2026.
- eur-lex.europa.eu. “European Commission.” eur-lex.europa.eu/legal-content/EN/TXT/HTML/. Accessed Oct 6, 2026.
- csa-iot.org. “Matter 1.6 Enables More Intuitive Setup, Multi-Ecosystem Experiences, and Context-Driven Control – CSA-IOT.” csa-iot.org/newsroom/matter-1-6-enables-more-int…. Accessed Oct 6, 2026.
- techcrunch.com. “Humane’s AI Pin is dead, as HP buys startup’s assets for $116M | TechCrunch.” techcrunch.com/2025/02/18/humanes-ai-pin-is-dead-as…. Accessed Oct 6, 2026.
- aboutamazon.com. “Amazon to close Fresh, Go stores, expanding Whole Foods.” aboutamazon.com/news/company-news/amazon-fresh-go-st…. Accessed Oct 6, 2026.
- calmtech.com. “Calm Technology.” calmtech.com/papers/computer-for-the-21st-century. Accessed Oct 6, 2026.
- ercim.eu. “Ambient Intelligence.” ercim.eu/publication/Ercim_News/enw47/intro.h…. Accessed Oct 6, 2026.
- theverge.com. “Mossberg: The Disappearing Computer | The Verge.” theverge.com/2017/5/25/15686870/walt-mossberg-fin…. Accessed Oct 6, 2026.
- aqara.com. “Presence Sensor FP2 – Aqara.” aqara.com/en/product/presence-sensor-fp2/. Accessed Oct 6, 2026.
- csa-iot.org. “Build With Matter | Smart Home Device Solution.” csa-iot.org/all-solutions/matter/. Accessed Oct 6, 2026.
- consultqd.clevelandclinic.org. “Less Typing, More Talking: AI Reshapes Clinical Workflow.” consultqd.clevelandclinic.org/less-typing-more-talking-how-ambient…. Accessed Oct 6, 2026.
- pmc.ncbi.nlm.nih.gov. “Ambient artificial intelligence scribes: utilization and impact on documentation time – PMC.” pmc.ncbi.nlm.nih.gov/articles/PMC11756633/. Accessed Oct 6, 2026.
- news.microsoft.com. “Microsoft Dragon Copilot provides the healthcare industry’s first unified voice AI assistant that enables clinicians to streamline clinical.” news.microsoft.com/source/2025/03/03/microsoft-dragon-c…. Accessed Oct 6, 2026.
- abridge.com. “Abridge Selected for VA Ambient AI Enterprise Contract.” abridge.com/press-release/va-enterprise-contract. Accessed Oct 6, 2026.
- blog.google. “The Nest Learning Thermostat is smarter and sleeker than ever.” blog.google/products-and-platforms/devices/googl…. Accessed Oct 6, 2026.
- csa-iot.org. “Matter Arrives Bringing A More Interoperable, Simple And Secure Internet Of Things to Life – CSA-IOT.” csa-iot.org/newsroom/matter-arrives/. Accessed Oct 6, 2026.
- csa-iot.org. “Matter 1.5 Introduces Cameras, Closures, and Enhanced Energy Management Capabilities – CSA-IOT.” csa-iot.org/newsroom/matter-1-5-introduces-camer…. Accessed Oct 6, 2026.
- aboutamazon.com. “Introducing Alexa+: skills, cost, and availability.” aboutamazon.com/news/devices/new-alexa-generative-ar…. Accessed Oct 6, 2026.
- edisonresearch.com. “Edison Research, 2026.” edisonresearch.com/wp-content/uploads/2026/03/The-Infin…. Accessed Oct 6, 2026.
- bmv.de. “BMV – New vehicle safety systems.” bmv.de/SharedDocs/EN/Articles/StV/Roadtraff…. Accessed Oct 6, 2026.
- tesla.com. “Tesla.” tesla.com/ownersmanual/model3/en_us/GUID-2CB60…. Accessed Oct 6, 2026.
- mastercard.com. “Mastercard.” mastercard.com/news/europe/en/newsroom/press-releas…. Accessed Oct 6, 2026.
- aboutamazon.com. “An update on Amazon’s plans for Just Walk Out and checkout-free technology.” aboutamazon.com/news/retail/amazon-just-walk-out-das…. Accessed Oct 6, 2026.
- digiday.com. “Inside Ralph Lauren’s connected fitting rooms – Digiday.” digiday.com/marketing/retailtech2016-inside-ralp…. Accessed Oct 6, 2026.
- support.apple.com. “Add a hotel room key to Apple Wallet on your iPhone – Apple Support.” support.apple.com/en-us/118273. Accessed Oct 6, 2026.
- hilton.com. “Hilton.” hilton.com/en/help-center/check-in-and-check-ou…. Accessed Oct 6, 2026.
- csa-iot.org. “Introducing Aliro 1.0: A Unified Standard to Transform the Access Control Ecosystem – CSA-IOT.” csa-iot.org/newsroom/introducing-aliro-1-0-a-uni…. Accessed Oct 6, 2026.
- omi.me. “Omi AI – Wearable Notetaker Pendant That is Always Listening.” omi.me/. Accessed Oct 6, 2026.
- reuters.com. “Reuters.” reuters.com/business/meta-acquires-ai-wearables-…. Accessed Oct 6, 2026.
- deepmind.google. “DeepMind, meet Android — Google DeepMind.” deepmind.google/blog/deepmind-meet-android/. Accessed Oct 6, 2026.
- ambient.ai. “Customer Stories | Ambient.ai.” ambient.ai/customer-story. Accessed Oct 6, 2026.
- Reddit. “r/medicine: Are the ai scribes getting any better i got home…” reddit.com/r/medicine/comments/1ti9eum/are_the_…. Accessed Oct 6, 2026.
- Reddit. “r/googlehome: Gemini for home isnt really gemini heres why…” reddit.com/r/googlehome/comments/1pn6im6/gemini…. Accessed Oct 6, 2026.
- Reddit. “r/alexa: Alexa is a mess…” reddit.com/r/alexa/comments/1o3047c/alexa_is_a_…. Accessed Oct 6, 2026.
- Reddit. “r/Residency: Abridge ai scribe tool…” reddit.com/r/Residency/comments/1vzukc4/abridge…. Accessed Oct 6, 2026.
- ftc.gov. “FTC and DOJ Charge Amazon with Violating Children’s Privacy Law by Keeping Kids’ Alexa Voice Recordings Forever and Undermining Parents’ Del.” ftc.gov/news-events/news/press-releases/2023…. Accessed Oct 6, 2026.
- apnews.com. “AP.” apnews.com/article/amazon-privacy-echo-7fb3c19f…. Accessed Oct 6, 2026.
