On: Hello Chrome, it’s Firefox calling

[analog]

It's still a tricky choice though. By going with Flash you're tying yourself into a dying technology which may not be such a hot choice if you're building a business [1]

I'd still try to go with js/html and shim away as best I could for older IEs.

[1]http://swombat.com/2011/12/7/picking-technologies