Mandatory Credit: Photo by Moshe Milner/GPO / Rex Features (1667545f) Mark Zuckerberg and Israeli Shimon Peres Israeli President Shimon Peres visits Facebook Headquarters, California, America - 06 Mar 2012 Israeli President Shimon Peres visited social network giant Facebook's headquarters in what he described as an effort to use social networking to mend divides governments have been unable to bridge. Peres met with Facebook CEO Mark Zuckerberg, who helped him launch the 88-year-old leader's personal page aimed at creating a dialogue with young Arabs who live in countries that do not have diplomatic ties with Israel