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The Computer Science Social Network Employers Love to Raid - Bloomberg

Piazza Technologies Inc. is a stealth company—largely unknown by the general public but familiar to almost anyone who’s studied computer science in the past few years. Some 2.5 million students use its free website to ask and answer one another’s questions about computers, engineering, math, and science, all under the supervision of their professors. Seven years in, Piazza says 98 percent of computer science students at the top 50 universities access its site; students report using it on average for at least three hours a day. (Or, more likely, per night.) Piazza fans abound in Silicon Valley: “I have used Piazza extensively throughout my education,” Vickram Gidwani, a Stanford grad student in electrical engineering, writes in an email. “It provides a great forum for any topic in the course.”