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The good news? We might still have jobs in five years. The bad news? We'll all want to kill ourselves doing them. Forrester Research reports that by 2013 enterprise spending on "social networking, mashups, and RSS" will reach $4.6 billion. That will buy a lot of one-off brews at Blue Bottle. You'll need the caffeine to prop your eyes open, though, when you get to Forrester's label for the trend: "Enterprise 2.0." Care for a definition? Since we insist you share in our crushing disappointment, you're going to get one anyway. ReadWriteWeb on what Enterprise 2.0 is and isn't:

What it doesn't include is consumer services like Blogger, Facebook, Netvibes, and Twitter, says Forrester. These types of services are aimed at consumers and are often supported by ads, so they do not qualify as Enterprise 2.0 tools. Instead, collaboration and productivity tools based on the concepts of web 2.0, but designed for the enterprise worker will count as being Enterprise 2.0.

(Photo by Chance Gardener)