What exactly is Pinterest and why should you care?

Pinterest has kicked off 2012 with a bang! It is fast becoming the runaway success story of 2012. Despite having only 12 employees the company has just ot over 10 million unique U.S. visits - that is faster than any independant site in history. Brands with Pinterest accounts are experiencing huge traffic surges due the viral browsing nature of the site. It has already been heralded in a design breakthrough.

If you have used it, you will know how addictive it can be. But what is it exactly and why should you care? Take a look at this infographic from Lemon.ly. Expect to see the "Pin It" button on websites everywhere...