The document analyzes the Walmart, travel agency, and publishing industries. It shows that in 2007, discount retail had high growth and high profits while publishing had negative growth and profits and travel agencies had negative growth and profits. The travel agency industry has been in decline since online ticket sales began in 1997. As online ticket distribution continues, the travel agency industry is expected to shrink further. In contrast, computer reservation systems adapted by becoming the airline industry's IT backbone after initially thriving as intermediaries between airlines and travel agencies.