Detroit's Marwil Bookstore or purchasing them on the internet from online competitors, such as Amazon and eBay. After Marwil had been in business at WSU for some 59 years, Brian Kramer had seen textbook prices nearly triple over a period of two decades. According to a 2005 survey conducted by the National Association of College Students, about 25 percent of students had begun purchasing textbooks online. Another drastic change was when Wayne State opened a $6 million, 28,000-square-foot Barnes & Noble college bookstore right across the street in 2002. Marwil didn't have the fancy store front, cafe or music and apparel that was
High Com technology, which was protected by Dolby patents, suffered too many audible artifacts. So High Com was further developed into the two-band High Com II and three-band High Com III 2:1:2 systems by Werner Scholz and Ernst F. Schröder of Telefunken assisted by Harron K. Appleman of Nakamichi in 1978/1979. The two-band variant was eventually released exclusively as "Nakamichi High-Com II Noise Reduction System" later in 1979, increasing the amount of noise reduction on analogue recordings and transmissions by as much as 25 dB A-weighted. While originally designed for tape recordings, Nakamichi demonstrated the usage of High Com II on vinyl