Pizza Hut is releasing a perfume. This is not a joke. Well -- it's not a joke anymore. We could certainly make lots of jokes about it if we were so inclined. (Eau de dough, anyone?) But we'll refrain. Because Marketing magazine explains that though the Pizza Hut perfume started as a joke on the Pizza Hut Canada Facebook page, it's now a real -- albeit very limited-edition -- product.Here's the full story: Grip Limited, an advertising firm that works with Pizza Hut Canada, originally originally floated the tongue-in-cheek notion on the Pizza Hut Canada Facebook page back in August as part of a broader push to promote more engaging social media activity.