With Apple firmly against Flash and the thinking being that html5 is going to replace it, a lot of websites have changed to this new format to allow support for both the iPad and the new iPhone.
But it is good to see that not all manufactures have dropped the Flash service, Android have released a beta for Flash 10.1 for their phones; although at the moment it is aimed at developers to adapt their applications and websites.
It should go to a public release shortly, so it will be joining the N900 amongst other phones at giving a brilliant web experience via Flash.