Spam, scams and scatterbrains -- the same problems that plagued the old internet are cropping up again in a new wave of technologies known collectively as Web 2.0.
But this time around, proponents say Web 2.0 has been better engineered to withstand the troubles that wrecked Usenet, BBSes and free e-mail.
The cycle is so predictable, it's almost a natural law: Every new internet movement popular enough to generate buzz also generates a backlash.
This time, the debate revolves around the cracks that are starting to appear in Web 2.0, a term coined by O'Reilly Media Vice President Dale Dougherty to describe a post-dot-com generation of sites and services that use the web as a platform -- things like Flickr, BitTorrent, tagging and RSS syndication.
While there's no strict agreement on exactly what Web 2.0 is, much of it involves public participation and contributions from the commons.
Web 2.0 is very open, but all that openness has its downside: When you invite the whole world to your party, inevitably someone pees in the beer.
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