Social Network Content

Hi all, I'm new to the forum.
I've been wondering… where do social networks get their content, for example pinterest.
It's a social platform where you share your interests and etc…
If they had launched the site with no content already loaded, then no one would be using the site.
So in order for the social network Pinterest to boom, they most probably had to create fake accounts with fake content?
Because it's so random, whenever a social network gets launched, it always seems like…
Social Network Content

See original post by john jens