"He's come up with exercises to keep active, " his lawyer told CNN.

CNN: STORY HIGHLIGHTS

"The tablet corresponds to the playful nature of Babbel exercises and ensures that learners remain active and focused, and thus achieve rapid progress, " says Miriam Pleininger, head of content production at babbel.com.

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

Most time is spent answering questions, doing exercises, working through problems, games and other activities that encourage active learning.

UNESCO: Introducing the TLSF Dissemination & Training Toolbox

The company's experimental "Go Active Meal" will include a salad, a bottle of water, a booklet of exercises and a pedometer so you track you progress in one of Winfrey's favorite activities, walking.

FORBES: Magazine Article