Safety razor the second blade cuts it further. The extent to which this is of practical consequence has, however, been questioned. Gillette introduced the first triple-blade cartridge razor, the Mach3, in 1998, and later upgraded the Sensor cartridge to the Sensor3 by adding a third blade. Schick/Wilkinson responded to the Mach3 with the Quattro, the first four-blade cartridge razor. These innovations are marketed with the message that they help consumers achieve the best shave as easily as possible. Another impetus for the sale of multiple-blade cartridges is that they have high profit margins. With manufacturers frequently updating their shaving systems, consumers can
Trilogic Expert Cartridge RAM that could be reprogrammed. And thus allowed the user to change its functionality. The author of the Expert cartridge default firmware is John Twiddy who also wrote the games The Last Ninja and Ikari Warriors for the Commodore 64. He claims that it saved him many months of programming. Trilogic Expert Cartridge The Expert Cartridge from the UK company Trilogic was a popular extension cartridge which was introduced in mid-1986 for the Commodore 64 and a later Commodore 128 compatible version, It offered a "fast loader", increasing the speeds of the disk drive, and a "freezer", allowing the program