Memes are the lifeblood of internet humor; defined as “an idea, behavior or style that spreads from person to person within a culture,” memes are typically internet inside jokes which take the web by storm and are the subject for hundreds of photoshopped images captioned with themed jokes and humorous phrases. But memes are more than just funny; they’re a great marketing tool, as well. Here are ten companies who have capitalized on various internet memes to create marketing campaigns which combine humor and their own brand in hopes of boosting sales.