That's really nice to hear -- thanks for the reply! A "Why do we ask this?" link would probably be optimal.
I do get the aim, but it took me a while --- I'd wondered if it was simply data collection for more classifier training or something, which felt like a dodgy extra ask along with a verification service (even if it's the same strategy as recaptcha).
I do get the aim, but it took me a while --- I'd wondered if it was simply data collection for more classifier training or something, which felt like a dodgy extra ask along with a verification service (even if it's the same strategy as recaptcha).