At Israel's Holocaust memorial today, the country's very high-tech 84-year-old president asked students representing 60 countries, "Who here has heard about Facebook?" the Associated Press reports. "Nearly all in attendance raised their hands. 'You can fight anti-Semitism using social networks, like Facebook,' he continued." President Peres has his own blog and Web site but not (yet?) a social-networking profile. The AP adds that Peres met with Facebook founder Mark Zuckerberg at the World Economic Forum in Davos, Switzerland, last week.