
1) App
Found on
https://www.crosswordclues.com/clue/instagram

1) Facebook acquisition 2) Facebook purchase of 2012 3) Photo-sharing app 4) Popular image manager 5) Popular male to sign 21s here
Found on
https://www.crosswordclues.com/clue/instagram

Instagram was created by Kevin Systrom and Mike Krieger, and launched in October 2010. The service rapidly gained popularity, with over 100 million active users {as of|April 2012|lc=y}. Instagram is distributed through the Apple App Store, Google Play, and Windows Phone Store. Support for the app is available for iPhone, iPad, iPod Touch, and Andr...
Found on
http://en.wikipedia.org/wiki/Instagram

A photo and video sharing social network that enables registered users to take pictures and videos via the instagram mobile app, apply digital filters to them, and then share them across other social media profiles, such as Facebook, Twitter, Tumblr and Flickr.
Found on
https://www.encyclo.co.uk/local/22722

Purchased by Facebook for a cool $1 Billion, Instagram allows users to share pictures and video, apply filters to them and share them on other social networking sites such as Facebook, Flickr, Twitter and Tumblr.
Found on
https://www.hallaminternet.com/2014/social-media-glossary/
No exact match found.