Bluetooth
A short-range wireless standard used to connect nearby devices such as headphones, keyboards, watches, cars and sensors.
The useful mental model.
Start with the part that changes what you actually do or expect when you meet this concept in everyday digital life.
What is actually connected
Trace the path between device, account, network, cloud service and other devices. “Smart” often means those layers are cooperating.
Where dependence appears
Convenience can depend on a working account, compatible ecosystem, subscription, network or remote service. Knowing the dependency makes failures easier to understand.
What connects to this?
Digital life is a system. Follow the neighboring identity, data, design, security or business layer instead of stopping at one definition.
Device Ecosystem
A family of devices and services designed to share identity, files, messages, settings or accessories with less setup between them.
Understand it →device conceptSmartwatch
A wearable computer designed to surface health, communication, time and notification functions close to the body.
Understand it →device systemSmart Home
A set of connected household devices such as lights, locks, cameras, speakers and sensors controlled through apps, automations or voice interfaces.
Understand it →Check the underlying references.
G7 prioritizes primary technical documentation, public-interest institutions and strong research. Product-specific behavior can change, so current service documentation remains important.