Instagram announced on Thursday that ads are finally coming to the picture-sharing social network; Facebook, which plunked down $1 billion in cash and stock for the site in April 2012 when the deal was announced, actually paid less for the now-popular site thanks to a sharp fall in Facebook's shares before the deal finally closed...Source: http://www.phonearena.com/news/Ads-officially-coming-to-Instagram_id47953
