Gentology focuses on the next wave of e-commerce, built around a new model of discovery and entertainment.

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They use photos to tell stories, a built-in opportunity for the next wave of adtech startups around brand recognition in images, and are highly influenced by their built-in trust for the opinions of their peers.

FORBES: Six Key Takeaways From The Hottest Sessions at Digital-Life-Design 2013

In this wave, additional natural gas-fired power plants will be built to replace retiring coal plants and meet future increases in demand.

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"Amazon has built a very strong relationship with e-book buying consumers that were the first wave of adopters of electronic readers, " says Epps.

CNN: New Sony Reader adds touchscreen, wireless downloads