The other compatibility issue with DL discs is that some older DVD players may not recognize the format -- DL recordable discs did not exist when the players were built. And, of course, smaller pits means more data on the surface of the disc. While this sounds great for data storage, the real driving force behind the development of blue-laser discs has been the desire to fit high-definition movies on disc. However, high-def requires around a 6X improvement in capacity[…]
