Flash for business web applications - why not?

Question

I\'m in the trade of developing business web applications. They are mostly internal-use, sometimes with a partner zone, but rarely available to the public internet. They are

Answer 1

Very simple: because the current incarnations of Flash are still too bug-ridden. For example, there is a problem with accented character input under Linux that is pretty much a show-stopper. I have also tested several frameworks recently that offer both JS and Flash as client-side technology and it took me only minutes to write small examples that behaved incorrectly with Flash.