Adventures on the Internet 3
The dating website OKCupid has a feature called "match questions." Users answer multiple-choice questions and indicate which answers they prefer in a potential partner. You can also explain your answer, a feature that I only sometimes use to explain my answer. Sometimes I use the explanation to leave myself a treasure for the next time I happen to come upon that question, as in this following match question I recently re-discovered.
No idea why I thought that up, but there it is!