I received a request from Donna Vitasovich for a definition of “web 2.0 and web 3.0” that she could quote on her blog. I referred her to my post Using a Blog for a “Web 2.0” Presentation instead of PowerPoint. That post includes a definition of Web 2.0 that distinguishes between “Web 2.0 as Technology Infrastructure” and “Web 2.0 as Communication and Business Process.” Here’s what I wrote: