I'm pretty sure that's the one! Takes a bit to get to the punchline but the idea that you want to look for tests that are unhackable is the big idea (and makin

I'm pretty sure that's the one! Takes a bit to get to the punchline but the idea that you want to look for tests that are unhackable is the big idea (and making a good product to get lots of users is the exemplar for an unhackable test). Thanks for finding that!