Original sentence: Nintendo's near monopoly on the home video game market left it with a degree of influence over the industry.Some of the Nintendo platform-control measures were adopted by later console manufacturers such as Sega, Sony, and Microsoft, although not as stringent
Edited sentence: Following the introduction of the Sega Mega Drive/Genesis, Nintendo began to face real competition in the industry and in the early 1990s was forced to reevaluate its stance towards its developers, many of whom had begun to defect to other systems.Games marketed for the NES after that point still included a 10NES chip in order to work with the large installed base of original NES consoles.Most of the Nintendo platform-control measures were adopted by later console manufacturers such as Sega, Sony, and Microsoft, although not as stringent.Nintendo's near monopoly on the home video game market left it with a degree of influence over the industry exceeding even that of Atari during Atari's heyday in the early 1980s.When the console was reissued as the NES 2, the 10NES chip was omitted as a cost-saving measure