Billy Dengler walad 3ando 14 sana, w howa fel saf el tamen. ba3d ma etweled b shahr, Terri, om Billy, la7zet en 3eneh mesh kbera zay el atfal el tabye3eyen. Waddet Billy el mostashfa, w el doctor alha en Billy mesh hayshof abadan.
Ma3 en Billy mesh beyshof, bas da makansh 3a2eb olo abadan wala 5alah ye7es eno mo5talef. Billy bada yeta3alem el barmaga lewa7do 3an taree2 screen reader lama kan 3ando saba3 seneen bas. Delwa2ty howa Google developer mo3tamad. Google 7awlet 7ata te3rod 3aleh shoghl el sana elly fatet lama ektashaf moshkela f wa7ed men el _ beta3ethom, bas Billy kan lesa so8ayar.
Billy bey7lom yero7 Stanford University aw MIT, 3ashan ya5od ta3leem kowayes f 3olom el computer. Ba3d ma ye5alas el madrasa, lesa ma2arrarsh law hayroo7 yeshta8al f sherka zay Google wala hay3mel sherket software beta3to. Bas howa beyo2ol eno akeed hayemel 7aga 3azema.
"El 3alam elly 7awaleena 3alam shayfa," Billy al keda. "Maynfa3sh te5aly ay 7aga te2af odam a7lamak, w law 3amalt keda, mesh hate3raf tetla2 odam w te7a2a2 a7lamak."
Billy bada yeta3alem el barmaga lewa7do bel mosa3da beta3et _  .
screen reader omo computer el modarres