7 affordable gadgets for the holidays

With consumers pinching pennies, prices of Blu-ray players, GPS devices and other tech toys are falling.

The genius behind Steve    Could operations whiz Tim Cook run the company someday? More
Vital medicineVitality's Web-connected, glowing bottle cap reminds patients to take their pills, potentially saving millions of dollars in healthcare costs. More
Black thumb? Your computer can helpPlantSense's flower-shaped sensor tells you why your plants are dying - one example of how to use the world around us as a database. More
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Women of power Shot during the Fortune Most Powerful Women Summit, these portraits showcase some of the world's most influential leaders. Photographs by Robyn Twomey. More
6 green cooks These culinary powerhouses use sustainable, locally grown produce to bring their dishes to the next level. Meet a half dozen under 40, chosen by the Mother Nature Network. More
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