A get a daily newsletter at work, full of industry-related items, that usually includes a humorous anecdote at the end.
I thought this one was great. Fortunately, I don't find myself having to identify streetlights, crosswalks or some other such nonsense in order to enter comments on your blogs these days. But I remember when I did, and how frustrating it was.
Couldn't have said it better myself:
"Just spent 30 minutes trying to prove to a computer that I'm not a computer because apparently I don't know what street lights look like."