Original sentence: Although software cracking is generally recognized as damaging, it has had some positive effects for the industry as well as general consumers.For example, the warez groups have helped increase the popularity of some file formats such as XviD or MP3, the latter leading to Napster and its legal sisters.Many of these students would then go on to use them in their professional lives, purchasing legitimate licenses for business use and introducing the software to others until the programs became ubiquitous.Software companies  claim as much as $20 billion in losses annually due to piracy.The most visible and controversial effect of software cracking is the releasing of fully-operable software without any copy protection.They have been a significant factor in the domination of companies such as Adobe, Borland, and Microsoft, all of whom have benefited from rampant piracy since the 1980s as vast numbers of college students adopted readily available applications from these companies
Edited sentence: Although software cracking is generally damaging, it has some positive effects.For example, the warez groups have helped in increasing the popularity of some file formats such as XviD or MP3.They have been a significant factor in the domination of companies such as Adobe, Borland, and Microsoft, all of whom have benefited from rampant piracy since the 1980s (vast numbers of college students adopt applications from these companies as they are readily available; many go on to use them in their professional lives, purchasing legitimate licenses for business use)