To me it seems obvious that: “The web does NOT just live in the browser any more!”. While there is still a world of differences between the web that runs inside a native apps UIWebView and a devices browser… http://www.theregister.co.uk/2011/03/15/apple_ios_throttles_web_apps_on_home_…
…I think this is a temporary place we are in. Soon, users won’t be able to tell the difference between a native app and a browser based app (and if google have their way a browser based OS). And they will all rely on flexible, secure and well abstracted web based services/APIs.