Hmmmmm.............

There was an electrical engineer, a "lady of negotiable virtue" and a network administrator drinking together in this bar...........

Somehow the conversation got onto the "oldest profession"

The "lady of negotiable virtue" said "well it has to be mine; everyone knows that"

The electrical engineer said "not quite my dear, just read the book of Genesis...........God said: 'let there be light'........... so it is my profession"

The network administrator said: "you're both wrong........... Genesis says 'in the beginning there was chaos'.......... now who the hell do you think gave you that?"