Why Flash? Flash now has a greater installed base than Internet Explorer; Flash 6+ has a 97.1% penetration across the installed base of PCs, while IE 5, 6, and 7 have 64.7%. Flash is probably one of the most installed pieces of software on the planet.
Oh and you get a wonderful article on how the dojo.storage can be used to provide a web based word processor/text editor, with offline storage!
Tags: flash, stats