Instagram is a photo-video sharing site. It was launched in October 2010. The name "Instagram" is a portmanteau of "instant camera" and "telegram".

As of September 2013, the company has more than 150 million monthly active users.

A distinctive feature is that it confines photos to a square shape. It also allows users to edit their pictures and apply digital filters to them. When it comes to the videos on Instagram, their maximum duration is 15 seconds.