EmSense's San Francisco office
The company has largely operated in stealth mode since its founding in 2004, and it remains covert on many subjects, including how its backend technology works. EmSense has only one publicly disclosed customer--THQ--but Lee says the company has had deals with several advertising clients since January. Similarly, Lee would not disclose how much the system costs potential customers.
August 21, 2007 4:00 AM PDT
Photo by: Stefanie Olsen/CNET News.com
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