I've spent the last two weeks on the road, meeting with customers and prospects. It has been enlightening, to say the least. One primary theme has emerged: the Web 2.0 revolution is over. The web has already won. Its chief weapon? Open source.

It hasn't "won" in the sense that every application is now social. It hasn't won in the sense of market share. But it has clearly won in the sense of mindshare and intentions.

Today I'm meeting with one of the world's largest and oldest retailers. Old school, right? They're building out social networking/social content tools to bring vendors and consumers together. All those words that are passe in the Valley like "mashup" and "user-generated content"?

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