Instagram is an American, free, online photo-sharing app and social network owned by Facebook Inc. It was founded in San Francisco by Kevin Systrom and Mike Krieger and launched in October 2010 on iOS and in April 2012 on Android.

Instagram is similar to Facebook and Twitter, the users can create a profile and they have a news feed. Overall it is a social networking app that allows sharing photos and videos from a smartphone. The photos posted on instagram will be shown in your profile and other users will be able to see them in their feed if they followed you, and the same way you will be able to see posts from other users if you choose to follow them. Besides, according to statistics, Instagram is the 2nd most popular social media app in the US, after Facebook.

Just like most of the social media networks, Instagram allows its users to interact with each other by following, commenting, liking, tagging and private messaging. Some of the features of Instagram are: being able to save the photos you like in a special album; adding photos and videos to your Insta Story which disappear after 24 hours and you can even add special effects; the IGTV function which allows you to post or watch longer videos; discovering brands and small businesses with products that you need; develop and promote your own business.

Apple Inc. named Instagram the “iphone App Of the Year” for 2011, and also in 2015 Mashable named it No.1 on its list “The 100 best iPhone apps of all time” highlighting the fact that Instagram is one of the most influential social networks in the world. Time listed Instagram among its “50 Best Android Applications for 2013” list.

Instagram is a free app that can be accessed through its official website or downloaded on any device from the App Store and Google Play.