Most would ask, “Why do we need more social networks?” The answer is simple. Money rules the internet, and the internet rules money, and as long as Web 2.0 (or are we on to 2.5 yet?) seems to the big-buck-peeps as a way to make more money, they’re going to shell out more and more money in hopes of making morer and morer money. So, CenterNetworks has reviewed 5 of the newest, most promising startups for your reading pleasure: Cayra, TheHireHub, FirstBlogMedia, GotCast, hlola. Enjoy!