Given the question: Information: - Softdisk is a software and Internet company based in Shreveport, Louisiana. Founded in 1981, its original products were disk magazines (which they termed "magazettes", for "magazine on diskette"). They were affiliated and partly owned by paper magazine "Softalk" at their founding, but survived its demise. - id Software LLC (formerly id Software, Inc., ; see Company name) is an American video game developer headquartered in Dallas, Texas. The company was founded on February 1, 1991, by four members of the computer company Softdisk, programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack (no relation to John Carmack). Business manager Jay Wilbur was also involved. - Dallas is a major city in the state of Texas and is the largest urban center of the fourth most populous metropolitan area in the United States. The city proper ranks ninth in the U.S. and third in Texas after Houston and San Antonio. The city's prominence arose from its historical importance as a center for the oil and cotton industries, and its position along numerous railroad lines. The bulk of the city is in Dallas County, of which it is the county seat; however, sections of the city are located in Collin, Denton, Kaufman, and Rockwall counties. According to the 2010 United States Census, the city had a population of 1,197,816. The United States Census Bureau's estimate for the city's population increased to 1,300,092 as of July 1, 2015. - Tom A. Hall (born September 2, 1964) is a game designer born in Wisconsin. He attended the University of WisconsinMadison, where he earned a B.S. in Computer Science. - A video game developer is a software developer that specializes in video game development the process and related disciplines of creating video games. A game developer can range from one person who undertakes all tasks to a large business with employee responsibilities split between individual disciplines, such as programming, design, art, testing, etc. Most game development companies have video game publisher financial and usually marketing support. Self-funded developers are known as independent or indie developers and usually make indie games. - Adrian Carmack (born May 5, 1969) is one of the four founders of id Software, along with Tom Hall, John Romero, and John Carmack (no relation). He had worked there as an artist. He was a major stock owner of id Software until he left the company. - John D. Carmack (born August 20, 1970) is an American game programmer, aerospace and virtual reality engineer. He co-founded id Software. Carmack was the lead programmer of the id video games "Commander Keen", "Wolfenstein 3D", "Doom", "Quake", "Rage" and their sequels. Carmack is best known for his innovations in 3D graphics, such as his famous Carmack's Reverse algorithm for shadow volumes, and is also a rocketry enthusiast and the founder and lead engineer of Armadillo Aerospace. In August 2013, Carmack took the position of CTO at Oculus VR, which in 2014 became a subsidiary of Facebook. - Crack dot Com was a computer game development company co-founded by ex-id Software programmer Dave Taylor , and Jonathan Clark . The company released only one game , Abuse , an MS - DOS scrolling platform shooter which sold over 80,000 copies worldwide . Abuse was ported to a wide variety of platforms including DOS , Win32 , Mac OS , AIX , SGI Irix , Amiga / AmigaOS , and Linux . Prior to the company 's closing in October 1998 , they were working on Golgotha , a hybrid of first - person shooter and real - time strategy . Crack dot com made the source and data for both Golgotha and Abuse public domain . - Alfonso John Romero (born October 28, 1967) is an American director, designer, programmer, and developer in the video game industry. He is best known as a co-founder of id Software and designer for many of their games, including "Wolfenstein 3D", "Dangerous Dave", "", "Doom" and "Quake". His game designs and development tools, along with new programming techniques created and implemented by id Software's lead programmer John D. Carmack, led to a mass popularization of the first person shooter, or FPS, in the 1990s. He is credited with coining the FPS multiplayer term "deathmatch". What entity does 'crack dot com' has the relation 'industry' with?
The answer is:
video game industry