This machine could take you any where at a push of a button to me it the most powerful machine that has a brain and we use it every day to pay bills and listen to our song, send email and send fax scanner and talk online to our love once play game and other things this is the most powerful machine in the world what is it?

The test asked a series of hypothetical questions – Would you still be you if… You had a heart transplant? Your brain was transplanted into a robot? Your body was sent through a "transporter", destroyed at this end, and "faxed" and reconstructed at the other end from new matter etc.The point at which you would draw the line suggests where you think your "self" resides. Anyone know where I can (re)find it?