HTML5 going forward for web designers for mobile viewing of websites.

Have you ever visited a website on your mobile phone or device, like the iPhone or iPad, and noticed that there were areas of the site that were completely missing? No, you’re not “seeing things”. In all likelihood, those missing areas were coded using Flash. Apple does not allow Flash to run on iOS, the operating system which runs on the iPad, iPhone, iPod Touch, and 2nd-generation Apple TV