Ixef I: TIẒRI: asbadu n kra n wawalen igejdanen 7.7.1. Udem n "Facebook" 7.7.2.Tameddurt n Mark Zuckerberg “MARK ZUCKERBERG” d netta ay d imsebded d usnulfu n “face book “ idyettwaxelqen deg useggas n 2004