http://www.youswop.comOn yesterday's Straits Times:Swop & SaveTeens are taking to the old-fashioned practice of barter by trading unwanted items onlineBy Alex LiamWE MAY be living in a 'throwaway' world but the Internet has helped revive an old-fashioned practice, even among the young: barter.YouSwop, a Singapore-based website set up in August last year to allow people to …