Remember RealNetworks' 2005 lawsuit over Apple's effort to keep Harmony DRM off of the iPod, calling the countermeasures an abuse that locked customers into Apple's FairPlay copy protection and the iTunes Store? You're forgiven if you don't -- the complaint was filed in 2005. Even with iTunes having gone primarily DRM-free over three years ago, though, owners of iPods bought between September 12th, 2006 and March 31st, 2009 are just now