Flash was pretty nice, but it suffered from a few big issues: * it was closed source, and the tools were not at all cheap. * their VM was a security nightmare

Flash was pretty nice, but it suffered from a few big issues: * it was closed source, and the tools were not at all cheap. * their VM was a security nightmare. * it allowed wanna-be developers to unleash all sorts of abominations on unsuspecting web users. e.g: ads, animations, 10 MB web sites, auto-playing videos, etc. Luckily for us, JS has solved all thr... I mean tw... I mean the first problem.