I thought that Flash could help with spam bots and other mischief. I don’t know, though, whether it is possible to write a bot that sees fields in a flash, but in any case, it will be much longer to write it than to bungle registration on a flash.
Sobssno that's the whole little idea, as always it turns out that it is not new. ')
PS If you say that the idea does not roll due to the fact that not everyone has a flash installed, I will say that such cripples can be sent to the usual registration with captcha, etc.
PPS By the way, the thought went further, you can make a captcha on a flash. For example, to wave a wave (animation) normally written numbers ...