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Facebook has just launched a neat new trend mapping tool, called Lexicon. Similar to Google Trends, it allows you to create a trend graph for different words and (two-word) phrases

Grid-computing startup Aster Data Systems will officially launch today, three years after it was founded. Aster, which began in the Ph.D program at Standford, is a provider of "massively parallel

Content creation at Wikipedia is slowing down. The already small number of active regular editors is on the decline and Jimmy Wales has called for live edits to be held

In a recent paper about social privacy Google researchers caution that the expansion of the social Web and our growing involvement with it is compromising our privacy while offering the

Yesterday we discussed MIT's project WikiCity, which monitors location data in cities via mobile sensors and creates visualizations from that. That project comes out of the SENSEable City lab at

Last May we asked the question, "are social bookmarking sites better at search than Google?" Though some readers questioned our specific methods, our conclusion was that "while social bookmarking and

ReadWriteWeb has been running a special series on recommendation engines and this episode of RWW Live is part of that. The show features 3 exciting and very knowledgeable guests: Jesús

One week ago yesterday we reported that red hot microblogging service Twitter was rumored to have acquired real time sentiment search engine Summize. This morning the deal was confirmed by

Ping, ping, ping! That's the sound made day and night by the new social media technologies rapidly proliferating around the web... and the machines are getting tired. Polling for updates

Location awareness is hot. Startups like Brightkite, Loopt and others are based entirely on the concept. Yahoo! is blazing new trails in the field with FireEagle and the new Yahoo