Smart TV
Shows a picture and is connected to the network at the same time. The connection brings the streaming services with it, and it carries away what you watch.
What data it sends and where
- Television → The manufacturer's server: What is on the screen, including what comes from other devices
- Television → Streaming service: Your account details and what you have watched
- Television → Advertising network: A device identifier that ties your viewing to your other devices
Checklist
Do these during setup. Later, check only that updates continue and the settings still match how you use the device.
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Some smart televisions recognise content on the screen and send recognition data to the manufacturer. In one study, recognition ran several times a minute and included pictures shown through an HDMI connection.
The setting’s name and location vary by manufacturer. Look for a setting about content recognition or the collection of viewing data.
What is unusual about this kind of device
A television can also identify pictures from a games console or another device connected by HDMI. That viewing data can be linked to an advertising profile.
When this device is not worth buying
If the manufacturer will not say how long it supplies updates. A television is often kept for years, so its support period has a direct effect on how long it should remain online.