Because you don’t want to spread your real phone number all around the web all willy-nilly.
Another interesting project:
FAP80 is a Z80-based retro computer with a sprinkling of modern twists to make the experience of designing, programming, and debugging this computer as painless and straightforward as possible.
Stories from the good ol’ days:
The phrase “You are Not Expected to Understand This” is probably the most famous comment in the history of Unix.
And last month, at the Systems We Love conference in San Francisco, systems researcher Arun Thomas explained to an audience exactly what it was that they weren’t supposed to understand.