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 medicine Vitality'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 help PlantSense'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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