Topic - Instagram
Subscribe to this topic via RSS or ATOMInstagram is a free photo sharing application that allows users to take a photo, apply a digital filter, then share it on a variety of social networking services including Instagram's own. A distinctive feature confines photos into a square shape, in homage to both the Kodak Instamatic and Polaroid cameras. This contrasts with the 4:3 aspect ratio more typically used by mobile device cameras. - Source: Wikipedia