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

It's worth noting that my bank uses Flash for its login screen. They're doing some sort of biometric typing rhythm identification that I think would be a security hole if it was in Javascript.

The downside is that it means I can't use their damn site on my mobile phone!