The local authority handed out free ashtrays and car stickers in the city centre to raise awareness about the problem.

BBC: Highland Council warning on holiday home rubbish

The cabinet secretary, Yitzhak Herzog, then a prominent lawyer, channelled money from existing (and legitimate) charities of which he was a trustee, to pay for polls, billboards, newspaper advertisements, car stickers and other campaign paraphernalia.

ECONOMIST: Israel

Car theft rings clone vehicles by taking license plates, vehicle identification numbers (VIN), and other tags and stickers from a legal car and putting them on a stolen vehicle of similar make and model.

CNN: FBI breaks up $25 million 'car cloning' ring

They display stickers on their car bumpers, proudly announcing their membership of Mensa.

ECONOMIST: Lancelot Ware