Several store employees also gave contradictory answers, and many believed that all data stays “locally in the app” – something our tests show is not correct.
The key feature you'll notice when you open the laptop: the Dial Pad in the upper left hand corner of the trackpad. This is a circular indentation that, when deactivated, makes for a nice little fidget toy.
，更多细节参见heLLoword翻译官方下载
Bandwidth: My early code used a shocking amount of bandwidth
HTMLMediaElement: srcObject property — MDN Web Docs