Before some TVs from Samsung, you should watch your mouth.
Their system for speech recognition can record interviews and record sensitive information.
The conditions for use of the device itself inform the South Korean company. Smart TVs have many conveniences. Among the biggest include Internet access and voice control. But when you pick up your voice can be at home in the living room recorded sensitive private information. You could be exploited by hackers, for example, in the event cyberattack.
If you want to make sure that the recorded messages do not get anywhere, turn on the TV thus equipped with a wireless Wi-Fi connection. Although nowhere it is no guarantee that this information is sent later, after re-connection.