In January, 2002, AOL Time Warner filed a private antitrust lawsuit against Microsoft Corporation. Prior to that, in 1998, the United States of America had also filed suits against Microsoft for violation of antitrust laws. The basis for the filings was that Microsoft had not obtained or maintained their monopoly by competitive advantages, but by illegally developing entry barriers for other companies (Anonymous, 2003). The lawsuit by the United States alleged that Microsoft had prevented competitors from developing and selling operating systems by “exclusionary conduct” (United States v. Microsoft Corporation, 1998). Specifically, Microsoft built-in Internet Explorer in a way ...