The Hidden Persuader (English, Portuguese) has an example of very interactive street advertising from Ogilvy One, Bangkok.
There's a motion sensor in a garbage bin, as soon as someone walks by the sound of the ad is turned on, which happens to be the wailings of a baby. So naturally any human still equipped with empathy will open the lid of the garbage bin - and what do they see there? "Find out more about the BIRTH CONTROL PILL" and the website url to turn to.

That's one messed up ad. Instead of advertising the pill - how cynical somehow - shouldn't it be advertising counselling for teens to talk with adults? Or something that would prevent a bin-baby situation?
Caffienegoddess: "It would be even better for an adoption center or something." Yes. It's not talking to the target at all - I assume that they want unwed women/young girls to take up the pill as contraception. Is freaking them out the way to do it? And that is assuming that young women would be the ones to open the bin. The people who would look it in the bin fall for some very strange bait-and-switch. "Oh you care for wee humans? Here's the pill!" What?
I dislike ad creep and I really despise when ads make use of peoples empathy or altruistic tendencies to shill, such as the playstation "lost" flyers and "looking for an apartment" flyers. That's a like a slap in the face to anyone who spent some time reading what turned out to be just another advert. Yep. I hate that ad. Am I wrong? What do you think?