Already killed by twitter: http://techcrunch.com/2013/04/10/well-that-was-fast-twitter-shut-down-ribbons-newly-launched-in-stream-payments-feature-built-using-

Already killed by twitter: http://techcrunch.com/2013/04/10/well-that-was-fast-twitter-shut-down-ribbons-newly-launched-in-stream-payments-feature-built-using-twitter-card-technology/ http://techcrunch.com/2013/04/10/well-that-was-fast-twitter-...