Omnicom Group Inc. unit Critical Mass said Dec. 14 that it invested in mobile-focused product agency Prolific.

The investment will help expand the service capabilities of both Prolific and Critical Mass, capitalizing on Critical Mass' mobile and digital skills with Prolific's mobile product capabilities.

Prolific was launched in 2009 and has more than 100 employees based in Brooklyn, N.Y.; and San Francisco. Prolific's main skills include mobile strategy, design and engineering.