Screen Shot 2012-02-06 at 1.22.09 PMI love the smell of acquisitions in the morning! We've just head that Groupon has acquired Adku, a stealth startup that uses big data in order to personalize the online shopping experience for people visiting eCommerce sites like eBay, Amazon and Zappos.

The company built their personalized targeting technology in three months, and have basically been in stealth since they launched at the Angelpad Demo day a year and a half agoAdku is backed by Greylock Partners, Battery Ventures and True Ventures in addition to being an Angelpad startup..