Other sport cameras require mounting devices and record a view that is not in line with user's field of view.

ENGADGET: Liquid Image Xtreme Sport Cam goggles hands-on Hands-on

"The evidence is also mounting that mobile devices are adding to, rather than replacing, how much news people consume, " said Mitchell.

ENGADGET: Pew Research finds 22 percent of adults in US own tablets, low-cost Android on the rise

Its once spectacular revenue growth has slowed to a crawl on stagnant sales for its core cardiac defibrillator and pacemaker products, mounting skepticism over its back-surgery devices and industrywide price pressures.

FORBES: On The Cover/Top Stories