Then Amazon took off afresh, as investors realized that Bezos had been quietly building a multitude of new growth engines inside his company.

FORBES: Inside Amazon's Idea Machine: How Bezos Decodes The Customer

The Korean manufacturer describes OLED screens as one of its "new growth engines, " alongside e-paper and solar cells, so even if we may consider development slow, it's looking increasingly likely that OLED TVs will eventually make their way into the mainstream.

ENGADGET: LG Display set to triple OLED production capacity with $226m facility expansion, effects to be felt in 2011

Yes, there are challenges ahead- there always are but there are good reasons women are being called the new engines of growth.

FORBES: Why Women are defining Successful Entrepreneurship