This is a key reason why web enabled cell phones dominate the market. In many respects infrastructure remains a significant impediment to the emerging market. Be it the limitations of V90 lines for audio downloads or the lack of capabilities to handle VOIP phone calls, infrastructure plays a key role as both an enabler and inhibitor. Typically infrastructure is long term, expensive and reliant on up front cost. This is a market in only its earlier stages.
Information appliance is a new market for virtually all the players.