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Among the first things you notice when you step into the corner office of Harvard University professor Joanna Aizenberg are the playthings. Behind her desk sit a sand dollar, an azure butterfly mounted in a box, a plastic stand with long fibers that erupt in color when a switch is pulled, and haphazard rows of toys. Especially numerous are the Rubik’s cubes--the classic three-by-three, of course, but also ones with four, five, six and even seven mini cubes along each edge.

Find out from the source; Inc.com's Eric Markowitz interviews Christian Oestlien, Googles chief of social advertising products. Google recently opened its Google+ social network to businesses. How should you approach this new platform

The ad-fortified WiFi-only e-reader will save you $25 but beg you to ultimately spend more with its sponsors.