Data Centers in general obey the infamous Fight Club Rule “You Don Not Talk About Fight Club.” “You Do Not Talk About Data Centers”

Apple has created version of this rule in a T-Shirt.

Apple Souvenir T-Shirt Jokes About Company’s Secrecy

Monday July 11, 2011 2:03 pm PDT by Jordan Golson

This $17 t-shirt sums up most visits to Apple’s corporate headquarters in Cupertino. Available only at Apple’s Company Store, it’s a bit more classy than “I visited Apple HQ and all I got was this lousy t-shirt” — but sends the same message. The shirt reads:

I visited the Apple campus. But that’s all I’m allowed to say.

This is too funny and I had to get one. Which is being modeled by not daughter asking, “Dad, why is this funny?”