Looking at the Nook for a second, you can immediately isolate the top as the light source, with a stronger concentration and somewhat even distribution.

ENGADGET: Amazon Kindle Paperwhite hands-on (Update: video)

The growing concentration of wine retailing and distribution is pushing producers to team up.

FORBES: Chateau Southcorp

However, the top tax rate reductions appear to be associated with the increasing concentration of income at the top of the income distribution.

FORBES: Non-Partisan Congressional Tax Report Debunks Core Conservative Economic Theory-GOP Suppresses Study

Facebook researchers mapped out the profile picture changes showing a fairly broad distribution throughout the country, but certain areas showed greater concentration of support than others.

CNN: SHARE THIS