[ArekDymalski]

QR was also a first thought that came to my head. You could also use simple, popular and unrelated words, i.e.: sock, mind, late etc. as well as provide hints that it's actually Chalk (!) Chase not guessing game.

It all boils down to the fact the you "didn’t really have any concrete hypotheses".

However it's interesting. It would be great to find out the conditions in which people will be most engaged in looking for the next info. But there would be sooo many variables to control ...

[anishathalye]

Yeah, in hindsight, it would have been a good idea to have hard-to-guess URLs to help with controls. I like the idea of using URLs like "/mocha64" -- could have kept the theme of coffee while filtering out some noise in the data.

There are so many variables to control, things that I hadn't thought about before writing the URLs. The guessable URL part was perhaps one that I should have caught, but there were so many other things. I know that people did things like taking pictures of the boards and sending them to social group chats that they were part of, which is something I never thought of before seeing/hearing about it happening on Friday.