I use profiles. For me it‘s useful for switching between personal, work and presentation „mode“, because I use a different set of bookmarks and extensions for each one.

I hate how cease and desist are essentially blackmail. Even if you did nothing wrong, you can still get fucked over by costs of a potential legal battle.

You can see an approximate playtime in your profile. (Icon in the upper left corner on the home-screen)

Tangentially related: Did you know, that it‘s technically also possible to reconstruct sound via smartphone accelerometers and there‘s no restrictions on which apps can use it. Have fun with this info (: