
Chances are you've heard references to Web 2.0 and either ignored it ("my CIO will tell me if I need to know about it") or researched a bit and found mostly more confusion couched in bleeding-edge jargon.
Here's a "mind map" created by Markus Angermeier that may shed a little light on things for the geekier sorts out there (click to see larger version you can actually read). If you're really geekin', you'll want to explore the version annotated with links.
Web 2.0 is usually employed as a sexy label to stick on some new (or seemingly new) web service or product.
It's used to refer to a bewildering variety of new (or newly-buzzworthy) websites, applications and internet user behavior, most of which have something to do with "social networks"(LinkedIn, MySpace, Friendster) or "cool stuff you can do with only a browser" (Google Maps, Flikr, WebEx) or "easy ways to publish my thoughts to the world" (blogs, wikis, podcasts).
Many of these are being touted to marketers as new ways to directly or indirectly reach consumers who have learned to tune out advertising. For retailers, it's often as simple as realizing that they need to leverage the power of their consumers' voice if they want to stay competitive.


