Apple teams up with airlines in 2006 to offer seamless integration between iPods and in-flight entertainment systems.A special dock allows iPod owners to use their devices for music and video playback on planes' seat-back displays.The integration covers six airlines: Air France, Continental, Delta, Emirates, KLM, and United.Microsoft's Zune music player is not compatible with the iPod docks, highlighting Apple's dominance in the tech culture wars.