The 4 Most Important Steps Before Selling or Transferring Ownership of a Mac | OSXDaily | Into the Driver's Seat | Scoop.it

"If you plan on selling a Mac or transferring it to a new owner, you will want to take a few very important steps beforehand rather than just handing the machine off as is. We will walk through exactly what you should do before ever changing ownership of a Mac, including backing up all of your files and data, deauthorizing the computer through iTunes, securely erasing all data so that no future owner can access your old stuff, and finally, reinstalling OS X as clean so that the Mac boots into the initial setup menus as if it was brand new."