What's next for online communities? We've got BBS, IRC, imageboards, textboards, forums, blogs, Skype/Mumble/Discord, comment sections. Where are all the certified cool guys going to be in 5 years?
Let me check with my crystal ball.
direct IP to IP address messaging. Like phone numbers, you give someone your IP and they can send you data and you can send data back.
I think this is how freenet works it's p2p as well.
olfactory based communication that requires specialized hardware attached to your computer.
I'm a 3d artist, and if working as a 3d modeler has taught me anything, it's that there's no way to really predict what becomes big next just by looking at the way things are going now