Me? XMPP.
Most used? Depends in what circles. Telegram is popular in some. SimpleX and Session in others. XMPP in free software circles. Matrix in others.
Make sure you can afford the elctricity later. 250W constant draw doubled the bill I had before installing my rack. Do the math with kWh per month.
So they use the MP4 container like a zip file and this is revolutionary? I mean, it's a nice stunt, but the developer seems pretty serious about it. What am I misunderstanding?
Makes one wonder what's the purpose of life for the generation that doesn't have computers
The name cloud comes from depiction of "somewhere on the internet" in network diagrams. I don't know what corporate environment you're in but you're using the term incorrectly.
Oh, from the same people who want you to install a mandatory app to access half of the internet? I'll pass
Do you mean you'd be linked to potential crimes of the previous owner? Well yeah there's a slim chance but then you show authorities a proof of purchase.
Or if you mean your personal privacy, that's non existent at the moment you connect to a cell network with a registered sim
If you use Linux in English, en-CA is also the best locale to use, it has 24 hour time, metric units and simplified (american) language. They will conquer the world with convenience!