This paper describes the key technological trajectories and their potential effect on the expansion of mobile Internet applications. The initial success of entertainment content in Japan in 1999 caused manufacturers to introduce phones with color displays, polyphonic tones, cameras, and Java programs, and these functions are supported by other technological improvements like faster microprocessors, larger memory, and faster network speeds. Coupled with an evolution in user behavior, these technologies are making the phone a portable entertainment player, a new marketing tool for retailers and manufacturers, a multi‐channel shopping device, a navigation tool, a new type of ticket and money, and a new mobile intranet device. These trends will have a large impact on competition in the global mobile phone market as dominant designs emerge at the global level.
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