[garethsprice]

Google and FB are full of 4chan content... love it or hate it, 4chan is the source for a huge number of the memes that eventually bubbled up to the mainstream over the last few years.

Anonymity (or at least, properly contextualized identity) allows people to try out different identities and modes of creation. Removing all social context results in a smoothed out, lowest-common-denominator of personality, but it's the jagged edges and oddities that really make people interesting - or ugly.