I realized that “Mensa” didn’t contain enough numerals to be a phone number, and knew it must be understood that any future member would be able to figure out the next two digits in the sequence. I tried dialling MENSANE, MENSAIL, MENSAFE, and MENSAAB, but got three rebuffs and a fax tone.
From “How I Joined MENSA” by Steve Martin
Monthly emails about gathering with members, a useless plastic card and your ego filled to the brim. Don’t waste your time and money, weed is better.
I know someone who joined on a bet that he couldn’t get in, and he said the exact same thing.