Oh, and Another Thing About FaceTagram: Your Location

With Instagram, Facebook’s not only bulking up its photos — it’s getting your location, too.
Instagram

Behind the Scenes at Groupon’s Tech Headquarters as It Prepares to Report First Public Earnings

Groupon is slowly building out its technology prowess in Palo Alto, Calif., 2,000 miles away from its headquarters — one acquisition at a time.
Groupon's Palo Alto offices

Ah, So That’s What You’re Supposed to Do With Foursquare!

The “check-in service” explains why it’s not really a “check-in service” at all.
foursquare video

Groupon Acquires Mertado for Its Social Commerce Expertise

Groupon has acquired its second start-up in the social commerce space over the past month.
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Groupon Acquires Campfire Labs to Light Up Social Products

Groupon has acquired the pre-launch social communication start-up Campfire Labs, the companies confirmed today.
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Foursquare’s Crowley Declares Bygones! — And Maybe More? — With Google

Foursquare is still the cool kid at the check-in party, especially as more competitors are checking out. But is the party dying down?
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Checking in From the Cutting Edge: Only Six Percent Use Geolocation Apps

Six percent of U.S. online adults use geolocation apps, up from 4 percent last year, according to new research from Forrester.
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News Byte

Yup, It’s an “Acqhire”: Facebook Gets Gowalla for Its People

Facebook confirmed today that it has hired some of the Gowalla team including its co-founders, but did not buy its technology, user data or product — which will be shut down at the end of January. News of the deal was broken Friday by CNN, which Gowalla CEO Josh Williams essentially confirmed in an email to investors that we published here. Gowalla had recently evolved into a local guide app.

Here’s Gowalla CEO’s Non-Denial Denial Email to Investors About Facebook Acquisition

Let’s put this one in the “done” column, shall we?
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News Byte

SendGrid Sends 22B Emails for Spotify, Foursquare, Airbnb and Others

SendGrid, the popular email delivery service that sends personalized notifications and confirmations for social applications like Foursquare, said this week it has sent 20 billion emails since launching in late 2009. Actually, make that 22 billion, according to the live count on its Web site. SendGrid’s 30,000 customers include Spotify, Airbnb, Twilio, SlideShare, Gowalla and Path.