known technologies, cheaper to maintain; access to GPS information; basic offline support; cross-platform Faster execution; access to address book, accelerometer, audio and camera; App Store; 3D games and animations; push notifications; Bonjour networking support. Slower to execute; more difficult to debug on the client side; limited access to hardware; no official app store; harder to monetize App Store review process; longer update times; relative complexity and higher cost of dev process
21% Mini & Mobile Nokia 16% Android 15% Includes tablets BlackBerry 14% Marginal WebKit http://www.quirksmode.org/blog/archives/2011/03/mobile_browser_6.html
BlackBerry, MeeGo, Symbian... Presto 21% Opera Mini and Opera Mobile Gecko, Trident, Mango, UC, Obigo... 22% http://www.quirksmode.org/mobile/mobilemarket.html
<audio> <input type="email"> Touch events in DOM HTML Speech Web Storage Contacts API Calendar API File Writer API Geolocation API XMLHttpRequest Websockets Messaging API Application Cache HTML5 Web Workers