eighteen.

R: Soooo.. now i dont have to type my password in to log on to my computer.. I have face recognition. It taps into my webcam, decides whether it's me sitting in front of the screen, and then logs on.

S: What?? Are you from the future? 

S: "The year 3000?"

R: Yeah, I am.

S: Live underwater?

R: Definitely.

S: Hmmm.

R: Your great great great granddaughter is okay.

S: Wow. I was waiting for that actually.

R: Suuure, you were.