Who says innovation is dying in the US tech sector. Moments ago troubled social media network Twitter, which has seen its stock get pummeled time and again after failing to grow on par with Wall Street expectations, showed what truly innovation really means as it scrambles to expand it user base, when it unveiled its latest creation: replacing the "star" button with, drumroll, a "heart". To wit: You can say a lot with a heart. Introducing a new way to show how you feel on Twitter: https://t.co/WKBEmORXNW pic.twitter.com/G4ZGe0rDTP — Twitter (@twitter) https://twitter.com/twitter/status/661558661131558915!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+"://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); And... TWTR stock hearts it.