https://thenextweb.com/insights/2018/06/05/i-literally-gambled-away-my-personal-data-and-heres-what-i-learned/

Two weeks ago, I gave away loads of my personal information to a stranger. Why?

I attended the Black Box Bellagio, a gambling event taking place in Amsterdam, which, in their own words, is “an unusual casino that won’t take your money, but is after your freedom, integrity, and private data instead. Play with the (un)fairness of expected values and chances, predicted risks, and giving up your identity.”