With attention scarce, friendships the way in

Great Business Week article analyzing the growing economy of friendships and connections online.  Now, social networks and friendships are a source of learning and a medium for marketing brands.  When attention is hard to get, friends can be the way to get it.

Now, putting your consumer hat on, ever wonder how many friends is too many?  How many you can actually maintain a two-way dialogue with?  Here's a cool breakdown that rings really true.