 Xigashada Sawirka, Getty Images Qoraalka sawirka, Sheryl Sandberg - Madaxa howlaha ee shirkadda Facebook Qaar kamid ah dhageysteyaasha BBC-da oo sheekadan aan ugu gudbinnay boggayaga Facebook-gga oo aragtidooda kasoo dhiibtay ayaa intooda badan waxay soo dhaweeyeen tallaabadan uu facebook-ggu qaadayo. 