Real-time search market worth more than $30 million a day

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All of those Twitter tweets and Facebook friends may have value after all, according to Penn State researchers.

Updates on Twitter, Facebook, LinkedIn and other real-time content sites could be worth more than $30 million a day, or nearly $10.9 billion a year, to advertisers, said Jim Jansen, associate professor, information sciences and technology.  “Real-time content is particularly interesting because it’s a window into a person’s world at a particular moment in time,” said Jansen. “What we wanted to determine is if real-time search could be monetized.”  Jansen defines real-time content as messages–usually about the size of a typical English sentence–and links to other forms of content that people post to social networks and online sites. Real-time search engines present a stream of this content based on keywords entered by users.