Opinion: Seven reasons why the IBM partnership could be a pretty big deal for Apple | 9to5Mac

http://9to5mac.com/2014/07/16/opinion-seven-reasons-why-the-ibm-partnership-could-be-a-pretty-big-deal-for-apple/

IBM accuses Twitter of patent infringement, wants to strike a deal

IBM accuses Twitter of patent infringement, wants to strike a deal

http://www.engadget.com/2013/11/04/ibm-accusing-twitter-of-patent-infringement/