The Semantic Web has been just around the corner for a few years. It turns out that bringing a semantic layer of metadata to the Internet is like climbing a mountain in flip-flops.
Tuesday night, Semantic Web mountain climbers Powerset, Radar Networks, and Metaweb participated in a salon at Powerset's San Francisco office, where I talked with them about their product plans.
Powerset gives wings to Wikipedia
I got a preview of