Although the photo was only seen by the public for the first time in 2003, it is said by its source to be over 70 years old, was taken by his grandfather in Alaska and was given to him the day before his grandfather died.
This form of hacking works by studying which online services your target uses, before compiling as much information on them as possible, such as their email address, a mother's maiden name, a date of birth, and more.