I was reading the chapter "Virtually True". I didn't understand few lines in para no.87, third line till para 88..... i.e. "And then what if ... .. .. ..... .. .. ... gets lost." Make me understand these lines.
When the accident took place Sebastian was logged into the computer playing a game. And during the accident when he banged his head on the computer the computer had saved his memory. Also, Michael's dad had always told him that when something is stored in the computer it lasts forever.