OKWaveOKWave is 120 the first and largiest Q&A site in japan. Many people visit at our web site for good AnswersAbout a membership system si... Hello. I contribute it from Japan. Though you heard it when Japanes... Questioner DRM2009 08/09/24 01:30 [ Internet Business ] Blu-ray vs. Regular DVDs What is the difference between a Blu-ray DVD and a regular DVD? Questioner smuff76 08/09/