Leading companies like Starbucks, which enrolled all its US retail stores in the Challenge, and SUPERVALU, which is building an energy efficient grocery store of the future, are showing that better buildings mean better businesses.

WHITEHOUSE: Building Momentum

On the Internet, a nonprofit organisation called the Internet Archive does the same thing, aiming to store regular snapshots of the Web for future generations.

ECONOMIST: Who has a closet without a skeleton?

Apple has reinvented the mobile phone with its revolutionary iPhone and App Store, and is defining the future of mobile media and computing devices with iPad.

ENGADGET: Apple announces next-generation MacBook Pro: Retina display, 0.71-inches thin, shipping today for $2,199