PALO ALTO, CA - JUNE 23:  Russian President Dmitry Medvedev holds an iPad during a visit to Stanford University June 23, 2010 in Palo Alto, California. Dmitry Medvedev began his trip to the United States with visits to Silicon Valley and Stanford University, centers of hi-tech research the likes of which he hopes to create in Russia.  (Photo by Sasha Mordovets/Getty Images)