Memes, Discord, the “old” Twitter, and either having ad supported sites (as opposed to everything being paid) or having premium sites (as opposed to everything being as supported.
they will miss not having to use a browsing agent that logs everything you do to your identity/passport and sends it out to the government to keep you in check
Memes will be killed by some entrepreneuring copyright troll at some point.
In many jurisdictions, memes would either break the copyright laws or at least be in the grey zone. It's only a matter of time before someone exploits this. After one case, the platforms will ban them to avoid the risk of getting sued themselves. The same will probably happen for gaming videos.
The author of the dickbutt (if he/she can be found) might easily sell the rights to their creation to a copyright troll for one million dollars after which my scenario could take place.
You see, if they had the rights, we'd know who it is. You reserve your rights through registration. If we don't know, then there's no way to prove you have the rights.