In the 50's you could get a free dial tone by sticking a bobby pin in the mouthpiece and then touch a metal part of the phone. I did this once and $3.35 came down-What a score for an 11 year old!! I was at a movie that cost 35 cents to get in and it wasn't a kids special!
Some surveys just don’t work out.....and some have greater flaws.
...years ago, a survey showed that 5 out of 6 doctors found Russian roulette to be safe.