Until the introduction of the iPhone, cellular telephony and the Internet were essentially separate. The Internet was a PC-based service, while mobile telephony was conducted on a telephone. Though there were mobile products that provided communication services such as email, web access and...

Until the introduction of the iPhone, cellular telephony and the Internet were essentially separate. The Internet was a PC-based service, while mobile telephony was conducted on a telephone. Though there were mobile products that provided communication services such as email, web access and...

Until the introduction of the iPhone, cellular telephony and the Internet were essentially separate. The Internet was a PC-based service, while mobile telephony was conducted on a telephone. Though there were mobile products that provided communication services such as email, web access and...

<Para ID="Par1">This paper examines how recent trends in the smartphone industry may be expanding previous conceptions of the industry and its boundaries. The increasing importance of Internet and cloud-based services—which in many ways lie outside the control of the physical device, operating system, and...</para>

The economic, health, and environmental costs of kerosene, candles, and other fuel-based lighting are well-documented. As a result of efforts by the World Bank and other organizations, numerous lighting products incorporating solar photovoltaic and light-emitting diodes (LEDs) have been...