RIM's strategy is obviously riding on highly portable Adobe AIR apps and Flash support in the browser (much like Microsoft's Silverlight app strategy for Windows Phone 7), and we look forward to seeing just how well that playbook plays out in the PlayBook.

ENGADGET: RIM's Jim Balsillie says 'you don't need an app for the web,' rejects Apple's appification of the internet

He also referenced the planned integration of its handheld and console divisions, intended to make software and apps more portable between devices.

ENGADGET

For apps written to take advantage of the ways and times in which Explorer deviated from the standards were apps that would not be easily portable to other browsers.

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Developers love building apps because they are simple, small and portable.

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As Windows 8 has been developed to work well with portable devices such as tablets, Microsoft has been working to create an ecosystem of apps for the operating system.

BBC: AMD deal brings Android apps to Windows 8