Big things can happen with such a virtual machine.
Even better, you could a mailman server, and get yourself a proper mailing-list of like-minded subscribers - for any subject under the sun - chatting away on a regular basis.
Fact is, all it takes to set up a decent social network is to do some social engineering. Even real, meat-space activities can be completely divulged of their toxic mainstream membership in the info-spectacle industrial complex, and replaced with a couple smart services, on a tightly bound VM, somewhere functional.
Big things happen because of the people, not the technology involved...