Where does it come from? I saw it myself at the 1981 NCC in Chicago. The Xerox trade show staff person with a roll of $100 bills for paying off the unions.
Granted that was a while ago.
Granted that was a while ago.
Maybe the world has changed in the last 42 years, and it'd be helpful to qualify stories like these (where the original poster says he is not allowed, present tense) with where and when they've happened.