Razor be used on both sides, with two open edges. The blade on the double-edged safety razor is slightly curved to allow for a smoother and cleaner shave. In 1901, the American inventor King Camp Gillette, with the assistance of William Nickerson, patented a new variation of safety razor with disposable blades. Gillette realized that a profit could be made by selling an inexpensive razor with disposable blades. This has been called the razor and blades business model, and has become a very common practice for a wide variety of products. Many other brands of safety razors have come and gone.
Razor 1911 Razor 1911 Razor 1911 (RZR) is a warez and demogroup founded in Norway, 1985. According to the US Justice Department, Razor 1911 is the oldest software cracking group that is still active on the internet. The group was founded as "Razor 2992" by Doctor No, Insane TTM and Sector9 in Norway in October 1985 as a Commodore 64 software cracking group. Shortly after, they changed from 2992 to 1911 which translates to 777 in hexadecimal. Between 1987 and 1988 the group began to move away from the Commodore 64 and migrated to a new hardware platform, coding demos and cracking