Bona Fide Reviews posted an article on the up-and-coming Blu-ray disc technology.

Blu-ray, also known as Blu-ray Disc (BD), is the name of a next-generation optical disc format designed to enable recording, rewriting and playback of high-definition video (HD). High-definition video is the industry’s next highly sought after technology which brings much better picture resolution and clarity into the homes of consumers. However, with the advent of HD video there is a need for bigger and better optical storage solutions due to the fact that today’s DVD simply doesn’t have enough space for HD video. It might be hard for one to imagine that 4.7GB (the amount a single-layer DVD can hold) wouldn’t be more than enough for any purpose but Moore’s law has once again reared its head.

What is Blu-ray Disc?