Government requirements for digital records systems ensure that records are properly identified and controlled, and hardware and software vendors must comply with these requirements.

UNESCO: MEDIA SERVICES

But Gates shares Buffett's interest in the media world and even likes to joke that he has created a digital encyclopedia called Encarta that now outsells World Book, which is controlled by Buffett.

CNN: In Search Of The Real Bill Gates

If you were a security researcher or a digital forensics person you would hook your device up to a WiFi network that you controlled, and you would watch the traffic your device is sending.

FORBES: Your Phone Has Been Hacked. Here's What You Need to Know.