The Blu-ray Disc format offers capacity from 25 to 50 GB of data on a single-sided disc.
(25 to 50 GB of data to be stored on a single rewritable or recordable disc)
(discs with higher capacity are in development, 100GB, 200Gb, etc.)
Bly-Ray are developed by the Blu-ray Disc Association
Blu-Ray video discs are normally delivered with high definition 1080P ws picture and
with high resulotion surround sound track(s)
Picture of Avatar, high resulution filmed movie, awesome on Blu-Ray: