I grew up in Reno where there were always signs posted by the slot machines that said "No Minors". I thought that they didn't want miners to play the slot machines because they were already rich enough from mining all the gold.
A childhood belief about work

others believed things like this
- I used to think that money from ATM machines were free :p— qwerty
- I used to believe that cooling towers were really just cloud making machines— Dianne
- When I was little I used to believe that there was a man sitting inside ATM machines giving you your money.— Kazza
- I used to believe that fax machines and computers sent real sheets of paper through the lines.— H
- I used to believe fax machines instantly teleported a piece of paper to who ever you wanted. Anon
- I used to believe that fax machines worked by sending papers down underground tunnels. Anon