>> narrator: greg lives with his parents in chatham, new jersey. >> he relies on it so heavily.don't even think he knows that he relies on it. it's just part of his persona. >> i can be in the same house at my desk downstairs and greg is doing homework upstairs. and i have a better chance of getting his attention by emailing him because at least i know he'll see it. you go upstairs and they're in tune to their machine or they're talking to 25 people at once, so it's an intrusion if i go in there. >> you know, you go away on a vacation and they're texting all their friends. there's, like, no break. they're unwilling to be out of the loop for more than, you know, an hour. >> okay mom, when i send you a text, go to "messages," "inbox," "okay." >> which thing do i press to get the message? >> mom, see if you can figure it out. you went to college. my parents, it seems like they don't know how to work a printer. they don't know how to work the internet. they'll come up to me, they'll be like, "i don't know how to get to my email." and i'm like, "well, mom, that's not the email, that'