Hold on a second, before your read further: this post IS NOT about Paris Hilton. C'Est So Paris is a brilliant website by BDDP & Fils agency for the Regional Tourism Committee of Paris Ile-de-France. They came up with a great concept to promote a city you wouldn't expect to have to promote (do we really need an advertising campaign to send tourists to Paris??) and they did it with a lot of sense of (French) humor.
You don't have to speak French to fully enjoy Paris (but it surely helps a lot, despite what the website is trying to communicate...). The website is fun, the offline campaign maybe it's scary...
Thanks Jean for the link!