MKT$362-4011/$ On and off for several years, Apple Inc. has been running its $"$I$\text{'}$m a Mac" advertising campaign. In the ads, seen on television and on the Internet, actors play the roles of a Mac and a Windows PC$.$ The actor that plays the PC$,$ often known as the PC guy, John Hodgeman, is portrayed as a nerd, while the Mac guy, played by Justin Long, is $($of course$)$ the "cool" guy. The ads tout the many advantages of the Macintosh operating system, ranging from its ease of use to its freedom from the many viruses that plague Windows$-$based PCs$.$ The $"$I$\text{'}$m a Mac" emphasis on certain aspects of the Macintosh operating system, such as its ease of use, represents the product's: