The robot Aila (Artificial Intelligence

The robot Aila (Artificial Intelligence Lightweight Android) is pictured at the CeBIT IT fair on March 3, 2011 in Hanover, central Germany. More than 4,200 tech firms from 70 countries are expected to attend this year's CeBIT, with many of the big names that stayed away during the global financial crisis returning to Germany. The fair is running until March 5, 2011. AFP PHOTO / JOHANNES EISELE (Photo credit should read JOHANNES EISELE/AFP/Getty Images)

JOHANNES EISELE / AFP

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