Mobile media ad network Mojiva released a report finding the iPad's unique user audience grew by a jaw-dropping 537% between November 2010 and January 2011. 

ComScore released its first ever Mobile Year in Review report for 2010, and the findings point to interesting trends in smartphone adoption.

Coupa, developer of cloud spend management (CSM) solutions, closed a $12 million Series D round of funding led by Mohr Davidow Ventures.

Foursquare announced that its location service is now available in French, Italian, German, Spanish, and Japanese.

GetJar, the largest open app store with over 1.5 billion downloads to date, raised $25 million in Series C funding from Tiger Global Management and Accel Partners.

A survey of merchants and their marketing methods found that 55% of merchants who have run a deal through a group buying service like Groupon or LivingSocial would not do so again. 

Content recommendation engine Outbrain secured $11 million in a Series C round in which previous investors Carmel Ventures, Gemini Israel Funds, GlenRock Israel, Rhodium and Lightspeed Venture Partners all participated.

Solvate, a platform that matches employers with independent professionals, raised $4 million in Series B financing from Michael Paolucci (Solvate’s CEO), RRE Ventures and DFJ Gotham.

Songkick, a website for tracking tour dates for your favorite musicians, has raised $1.9 million in its fourth round of funding.

Twitter  just launched the new Twitter Translator Center (along with its own Twitter account) as a place for any Twitter user to sign up and start translating the site's Web and mobile offerings.

Yoyi Media, a provider of targeted online advertising and marketing solutions, completed a $20 million Series B financing led by Oak Investment Partners with participation from existing investors, Steamboat Ventures and Gobi Partners