Instagram is a free photo sharing application that allows users to take photos, apply a filter, and share it on the service or a variety of other social networking services, including Facebook, Twitter, Foursquare, Tumblr, Flickr, and Posterous. Instagram was acquired by Facebook
Address:- P.O. Box 77421 San Francisco, CA, 94107.
source:- theatlantic.com
Office Pictures 
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