Those with other brands of portable video players (PVP) are understandably peeved. Some say this protects the digital rights of the copyright owners, but nobody disputes the fact that it helps Apple to keep a stranglehold on the portable player market. Apple, provider of the popular iTunes service, has limited the software so it will copy purchased videos (M4Vs) only to video iPods - also an Apple product. Many people are frustrated when they purchase videos on iTunes, and then find out they can't take those videos with them on their portable video player, PDA or cell phone.
