Twitter recently got sued by a patent troll claiming infringement of this patent: http://www.summit6.com/summit6_feb_2014.pdf http://www.summit6.com/summit6_feb

Twitter recently got sued by a patent troll claiming infringement of this patent: http://www.summit6.com/summit6_feb_2014.pdf http://www.summit6.com/summit6_feb_2014.pdf.