jQuery has done a remarkable progress in front-end web development. At the same time many project are now using SVG. Yet we need powerful API which use SVG & Canvas API to make animation and games. Probably a new out of box frameworks for animations. With the release of html 5 video tag the need of flash is almost died.
But many web sites (I think youtube too) is still using flash. Here is a idea. One can comeup with a server with high bandwidth where user will give youtube url and server will convert youtube video in ogg file in real time and then it will send to user. Conversion will be needed only one time. The benefits is that user will be able to view videos without flash. Also Everybody will visit this central server so server admin can earn from Ads or Donations.