Uma ferramenta não muito “smart”, o SmartFilter, vem ajudado empresas e governos a bloquear sites ao redor do mundo. Vejam Boing Boing: A Directory of Wonderful Things:

“At fault in most of these cases is a US-based censorware company called Secure Computing, which makes a web-rating product called SmartFilter. But SmartFilter isn’t very smart. Secure Computing classifies any site with any nudity — even Michaelangelo’s David appearing on a single page out of thousands — as a ‘nudity’ site, which means that customers who block ‘nudity’ can’t get through.”

Como forma de protesto bem humorado, vejam a sugestão abaixo vinda do Boing Boing, a partir de um “detalhe” do David de Michelangelo: