Does uptime have anything to do do with how fast you send data into the servers and they reciprocate to you ?
LoveEspresso
How about a computer and a mobile phone ?
Does this fit within the broad category if we stretch the idea ?

What's local interface in this particular context ?
You mean a laptop, which can be turned into a server, is the same as a smart phone ??
Centralisation of the internet is another topic altogether, and a very interesting one.
Here's what l mean : https://cafe.coffee-break.cc/c/nostupidquestions/p/41334/the-market-is-turning-into-a-giant-server
That automatically connects us to something, of which we don't want to become a part ?
Consider this : Jabber and gmail/Hotmail do not speak the same language ?
But jabber and WhatsApp can ??
I was reading somewhere that internet means ocean bed cables.
You said that online shopping has existed since 25 years...... Wait a second..... That's after Y2K, right ??
A very mysterious answer.