Mandom Corp. has kicked off a new campaign—entitled GXYB—targeting worldwide consumers on its Gatsby English-language global website. In the new campaign, the Japanese brand collaborates with the Yasutoko Brothers (Eito and Takeshi), who are half-pipe inline skating world champions. The campaign features video footage of the duo performing half-pipeinline skating moves. In addition, the Yasutoko Brothers will also be on Twitter for the hair care brand....