Educational Innovations using technology

So far in our course, we've been asked to comment on the potential to use technology for educational innovation. I guess what I am finding hard to understand is where the rubber meets the road and demonstrable effects that the web 2.0 technology is in fact creating a positive educational effect - as in where can we see that the web 2.0 tech is actually providing a better teaching/learning environment compared to the luddite equivalent?

Mobile Tech

Here's one eg. that I can think of, it's the iPodTouch. As an owner of an iPhone I have until now been stumped to think what possible educational value such as beautiful machine could offer. Here's one example which I like because it's (apparently) been produced by a 17 year old student with a strong argument for not only being an easy to use system BUT has strong green credentials because it does not have to produce so many paper based resources.

Life is not measured by the number of breaths we take, but by the moments that take our breath away.