The Samsung SGR-A1 is a sentry guard robot designed by Samsung Techwin (now Hanwha Techwin), a subsidiary of the South Korean Conglomerate Hanwha, to support troops in the demilitarized zone which separates North and South Korea.
https://9to5mac.com/2014/11/25/twitterrific-5-twitters-war-on-developers/
http://appadvice.com/appnn/2015/04/take-a-look-at-just-how-terrific-twitterrific-for-apple-watch-is
http://www.theverge.com/2012/12/5/3732464/twitterrific-5-for-ios
http://furbo.org/2012/12/06/behind-the-app-twitterrific-5/
http://ipad.appstorm.net/how-to/lifestyle/could-twitterrific-5-be-better-than-tweetbot/