Pearson's strategic investment in NOOK Media will accelerate customer access to digital content by pairing its leading expertise in online learning with NOOK Media's expertise in online distribution and customer service.

ENGADGET: Pearson buys a small stake in Nook Media, wants a fast track for digital education

"Like all companies, we are learning about how best to use social media, particularly with such complex issues, " Ms. Backes says.

WSJ: Social-Media Sites Become War Front for Nestl��

Mainstream media is learning to better utilize online social networking to connect with its audience, he said.

CNN: Social-networking sites share breaking news

It uses machine learning and social media and is very sensitive to privacy concerns often associated with mining data about individuals.

FORBES: You Had Me At 'Shalom'

The Berlin-based startup's high quality app is the first educational application with both comprehensive and affordable learning material for iPad users that facilitates entertaining and multi-media language learning any time, any place.

ENGADGET: Babbel launches subscription-based language learning program for iPad