Instagram has inked its first major ad deal with an agency, and it's big.


The photo- and video-sharing site is rolling out a paid advertising program with a year-long commitment from Omnicom to spend up to $100 million, according to people familiar with the matter....


Omnicom and Facebook, which bought Instagram for $715 millionin 2012, confirmed the partnership but declined to comment on its terms. Instagram said it has a community of 150 million active users, with more than 60% from outside the U.S., and 55 million photos loaded daily....