OK, It's Time To Destroy The Internet
So evil you'll wonder why someone hasn't already invented it:
CAPTCHAs that force you to type in ad slogans.
"Advertisers are looking for message comprehension," Mr. Jacoby said. "And you know what they say, 'If you write something down, you remember it.'"
Yes - this is, in fact, why we can't have nice things.