Among the photo sharing sites available today, Instagram is one of the most widely used by people all over the world. Being a platform used mainly on mobile devices, the site has gained millions of followers through the years.
As of September this year, Instagram reached the 150 million mark of monthly active users. It was a jump by 20 million from the June 2013 figure of 130 million users.
Facebook bought Instagram in 2012 and added video sharing features to the original photo sharing app. Today, it is used by people of varied ages, celebrities even and popular company brands. In fact, Canadian pop singer Justin Bieber was the first user to earn one million likes on a video post.
To learn more about Instagram's initial success, read our infographic here. Active users fond of creating beautiful images may also want to join the Instagram photo challenges. The idea is to post your most best photo in line with a particular for the day.