PLAYBOY, the US-based adult publisher and broadcaster, is considering using Britain as a testing ground for moving into the gay market for the first time, it was reported today. Playboy wants to launch a new gay brand to boost revenues, the Times said. Chief-executive Christine Hefner said: "We've extended the Playboy brand to women, and where there is a meaningful gay market, launching under a different brand is something we are very comfortable doing. "In the UK, our television people are very interested, and I wouldn't be surprised if we launched something this year, given the importance of the market...