The document discusses mobile device fragmentation and operating system market share based on data collected from over 3,000 devices accessing mobile websites in 2011. It finds that the top 10 devices were mostly Apple and Blackberry models, over 1,500 distinct devices were identified, and 80% had touchscreens. HTML5 content delivery was growing but HTML4 and other formats still accounted for over 50%. The most popular mobile operating systems worldwide were iOS, Android, and Blackberry, while Symbian and other platforms had smaller shares. In India, Symbian and Android led the market over other systems.