Generation Raised With Internet Grows Up :

"AOL's Bird predicts that teens will be among the first to embrace new, Web-based video technology. 'You will very soon be able to shoot video messages and play those video messages on your blog that your friends can go to,' Bird says. 'So your community, your scheduling, your friends, your holidays - all of this stuff will live in an online environment.'"

I don't think so, and there's on simple reason. As the viewer / reader, you can't quickly scan a video and get the gist of it, you have to sit through the whole thing. It's simply too time consuming for our fast paced infojunkie mindset.