Wow positive supreme court news, wild. Tldr might be that users have a right to post and do stuff on the site, site owners have right to moderate and promote as they see fit, governments aren’t not allowed to stomp on free speech on these platforms or coerce the platforms?
Functionally the same for most people. A VPN is a virtual LAN so you can access other computers on it. Ex. company’s internal websites from a remote location
Proxy just forwards traffic like a gateway. In both cases the source is hidden. LANs have gateways too