(By Balachander) Twitter, a microblogging service, announced it has acquired Bluefin Labs, a social TV analytics company.
Financial terms of the deal were not disclosed.
Cambridge, Massachusetts-based Bluefin Labs provides data products to brand advertisers, agencies, and TV networks.
Twitter's latest deal comes just over a week after it bought mobile bug-fighter Crashlytics.
"Bluefin's data science capabilities and social TV expertise will help us create innovative new ad products and consumer experiences in the exciting intersection of Twitter and TV," Twitter wrote in a blog post.
San Francisco-based Twitter said the deal builds on its partnership with Nielsen to develop the Nielsen Twitter TV Rating.
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Bluefin clients include 40 of the largest TV networks in the US, Ad Age 100 brands as well as major advertising agencies.
Most recently, Bluefin raised a Series B round led by Time Warner Investments. SoftBank Capital also participated in Bluefin's Series B.
Notable angel investors include: Brian Bedol, Jim Pallotta, Jonathan Kraft, Dan Gilbert, Kenneth Lerer , Jeff Samberg, John Fogelman.