Rob Glaser has made his peace with Microsoft's Bill Gates. Now, the RealNetworks chief executive is turning up the rhetoric against another technology icon: Apple Computer CEO Steve Jobs. At the Digital Living Conference here on Monday, Glaser told a packed hotel ballroom that Jobs & Co.'s refusal to make the iPod compatible with music services other than Apple's iTunes was "pig-headedness." Glaser also said that Apple's unwillingness to cooperate with other online music vendors promotes piracy of copyrighted materials and will eventually draw the wrath of consumers. These are heady times for Glaser and his Internet multimedia company, which...