What is Instagram Instagram is a mobile , desktop , and Internet-based photo-sharing application and service that allows users to share pictures and videos either publicly, or privately to pre-approved followers. It was created by Kevin Systrom and Mike Krieger , and launched in October 2010 as a free mobile app exclusively for the iOS operating system . A version for Android devices was released two years later, in April 2012, followed by a feature-limited website interface in November 2012, and apps for Windows 10 Mobile and Windows 10 in April 2016 and October 2016 respectively. Activities On Instagram Instagram lets registered users upload photos or videos to the service. Users can apply various digital filters to their images, and add locations through geotags . They can add hashtags to their posts, linkin...