Double rainbow awesome. There's no other modern way to describe this. I won't spoil it too much, but whatever you do today, visit this website and select some of your closest friends from your Facebook graph when prompted. You won't be disappointed.
This post is part of Mashable's Spark of Genius series, which highlights a unique feature of startups. If you would like to have your startup considered for
Zappos is a game changer. It took this "cost center" input and turned it into such an unassailable asset even Amazon CEO Jeff Bezos sat up and listened.
Sidewiki is a land grab. Google has set up real estate on every single website, for commentary from the masses. So what should marketers and site owners do?
