Apptimize (YC S13) Brings Reliable A/B Testing To Native iOS & Android Apps
techcrunch.com
techcrunch.com
http://monetate.com/resources/ http://monetate.com/blog/ (Disclosure: I work at Monetate!)
http://visualwebsiteoptimizer.com/split-testing-blog/ http://visualwebsiteoptimizer.com/case-studies.php