An advert that really got on my nerves was for a mobile phone network, and it was on the radio and on YouTube in Vietnam about a year ago. I'm a delivery driver in Ho Chi Minh City, so I hear the radio for most of the day.
The advert featured a cartoon character, a sort of bright orange bird, with a very high-pitched voice. It sang a short jingle about cheap data packages, and the same three lines repeated four times, getting faster and louder each time. At the end, the bird shouted the price and a phone number really quickly. It lasted around thirty seconds, but it felt much longer. The worst thing was the frequency. On the station I listen to, it came on almost every fifteen minutes, and when I watched videos at lunchtime, the same advert played before nearly every one.
I found it annoying for a few reasons. First, the sound was physically irritating. The voice was so shrill that it actually made me wince, and when you're stuck in traffic in the heat, that's the last thing you need. Second, the repetition backfired. I suppose the company wanted the jingle to stick in people's heads, and it did, but I started to associate it with being irritated, so I'd never have switched to that network. My daughter, who's six, even sang it at dinner, which drove my wife and me mad. And finally, it didn't actually give useful information. The price was spoken so fast that I never caught it. If an advert is going to interrupt my day, it should at least tell me something clearly.