So in the past few years, Anglo American (mining), Billiton (mining), Old Mutual (insurance), South African Breweries and Dimension Data (a hugely successful information-technology company) have all sought primary listings elsewhere.

ECONOMIST: A survey of South Africa

On that crucial dimension, if lithium-ion batteries are a 3, the next best technology, NiMH is a 2, and a lead acid battery, like the one you use in your car, gets a 1.

FORBES: MIT Professor: Battery Fix Could Ground 787 Until 2014

VIZIO's Theater 3D technology included in the new XVT-Series takes movies, sports and gaming into a new dimension while an effective refresh rate of 240 Hz keeps even the most fast-moving pictures smooth and stable.

ENGADGET: Vizio unveils 2013 HDTV lineup, upcoming XVT Ultra HDTVs promise 4K for the mainstream