San Francisco social media company Twitter Inc. has purchased Cambridge start-up Bluefin Labs, its second acquisition of a local technology company in just over a week.
The two deals give Twitter a local outpost in Cambridge and about 75 employees here.
Terms of the deal to purchase Bluefin Labs were not disclosed.
The company, which spun out of the Massachusetts Institute of Technology’s Media Lab in 2008, had raised $20.4 million from investors such as Time Warner Investments and SoftBank Capital to analyze comments made on social media sites, including Twitter, about television programming, a growing trend known as “social TV.”
“This acquisition reflects our commitment to the social TV market,” Ali Rowghani, chief operating officer of Twitter, wrote in a blog post Tuesday evening that confirmed the Bluefin acquisition.
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