Really really love this: The Millennial Captcha (make sure you try it out)

https://www.mcsweeneys.net/articles/the-millennial-captcha

The Millennial CAPTCHA

“CAPTCHAs help separate bots from humans. But what if you only want your content to be seen by humans in their 30s with passions for subway tile and posting ...

McSweeney's Internet Tendency
@sophie I feel like the candy bar phone challenge should include having to send the message. Otherwise 💯