What is the fine-grained topic of the following text: Bruce now lives in Denver, Colorado, with his dog, Katie, who has inspired him on his latest mission—to "put dogs first" and revolutionize the pet food category with the launch of a new line of organic, human-grade dog treats called Yitto Paws (yittopaws.com). Only return the topic.
Launch of Yitto Paws, a new line of organic, human-grade dog treats.