How would you respond if someone were to say, that the Web has gone through three generations: Web 1.0, Web 2.0 and Web 3.0. The difference between each one is that Web 1.0 was the "Write Web," the Web 2.0, the "Read/Write Web" and the Web 3.0 the "Read, Write, Collaborate Web." Just think how in the 90s, it was all about having or rather publishing your own Web site. It was cool to say the least. About a decade later, it's about creating 'content' together. Today or soon it will be about connectivity and collaborative learning through mobile technologies.
Read more in Steve Wheeler's blog at http://steve-wheeler.blogspot.com/2009/04/learing-3.0.html