GfK Retail & Technology is the major leader market researcher of the world that tracks and collects data of POS (point of sale) in media markets of entertainment and consumer technical items. GfK Retail & Technology receives data from resellers and retailers of more than seventy countries across the world. Reporting platform of GfK is ?Star Track?. The data is then compiled by StarTrack and comparable information is provided to the industry leaders, manufacturers and retailers at both international and country level as well. Figures of Japan GfK Retail & Technology reveal that the market share of Blu-ray recorders exceeded 50 percent for DVD (Digital Versatile Disk) recorders in unit terms. Market share of bluray disk recorders was 10 percent in October 2007 and since then its market share has shown rapid growth. Average sale prices in 2008 also came down. Blu-ray disk recorder?s average sale price in 1st week of June 2008 was about 110,000 to 120,000 Japanese Yen. During the 3rd week of October 2008, the price of Blu-ray recorders dropped and was between 100,000 to 110,000 Japanese Yen. Consumers shifting towards the blu-ray technology have really outpaced the DVD recorders. The sales growth of blu-ray is very impressive. The survey of GfK shows that the replacement of Blu-ray recorders with that of DVD technology is almost 1. 5 times faster in comparison to the conversion of VHS recorders to the DVD recorders.