What is blu-ray?

The name "Blu-ray Disc" came from the blue laser that is used to read the Blu-ray disc . The blue laser is wavelength is about double the wavelength of a normal DVD which always it to hold up to 50GB of space on one little flat disc. Blu-ray players started being shipped around June 2006 it was not a big hit at first. No one wanted to spend that much money on a DVD player. But ones people realized how much better it is then a normal DVD player sales started to skyrocket.

what happened to HD DVD?

well, in early 2006 the HD-DVD player came out the then came the Blu-ray, so HD DVD had a advantage. At first the Blu-ray wasn't looking good it was expensive and buggy and not much of a selection. That all changed when the PlayStation 3 came out. With in a couple of months the sales of the Blu-ray flu past HD DVD, HD DVD was forced to drop out.