That’s just slightly goofy. I just finished posting an ad on craigslist, and there’s a part where you have to fill in the word verification box. They do have audio, pretty good audio that does phonetic spellings for letters so you know exactly what to type, like “h as in hotel.” But you’ll never guess what’s being used as distraction noise around the voice speaking the letters to type. The beginning to Skullcrusher Mountain by Jonathan Coulton! That’s just wacky. I emailed him about it. Let’s see if he knew about that.