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Like many tools available for assisting with disaster risk reduction and relief, the Internet is relatively young, and is in a constant state of evolution in order to meet user needs as the technology and available tools evolve. Within 15 years, the Internet has grown from a group work tool for scientists at the European Organization for Nuclear Research (CERN) into a global information space with an estimated 1.5 billion users worldwide, whether through desktop computers, laptops, or mobile devices, making it one of the most effective methods for distributing and coordinating information.

Increasing the usage and accessibility of information is a key requirement before, during, and after a disaster, with effective disaster management and response demanding rapid utilization of information and data. With the increasing global population and encroachment into hazardous areas, there is a greater emphasis on reducing risk. The utilization of technology for this purpose was formally recognized in recommendations made in the 1995 International Decade for Natural Disaster Reduction (IDNDR) report, which called for better application of current information technologies in natural hazards reduction in order to enhance people's accessibility and understanding of warnings. Growth of the Internet and global access has increased the reach for disaster information, and the introduction of a higher-speed Internet and processors, reductions in costs, and rapid developments in computer technologies, have resulted in greater capabilities and more advanced applications.

However, most developing countries, which are often those in greatest need of assistance, are technologically vulnerable and have problems with technical security, often lagging behind in technical expertise, computer literacy, and often, basic literacy. Rural communities are also limited, as the Internet is often an unattainable commodity, although the combination of satellite and wireless mesh networks are increasing the availability of broadband communications in areas where no infrastructure is available. Space and place are becoming increasingly conceptual notions, with the ease of developing communication connections and links worldwide.

Real-Time Uses in Disaster Relief

The success of the Internet has turned the browser into a central application, with standardized capabilities that can be exploited by applications such as mapping, video, and audio streaming; funding generation; and blogs, creating a usable platform to seamlessly integrate and distribute information. The Indian Ocean Tsunami (2004) and Hurricane Katrina (2005) revealed the coming of age of the Internet as an effective tool for disaster relief, facilitating the exchange of information, increasing the speed of communication, and sparking a wave of realization of the capabilities of Internet applications in the field of disaster relief. These events had important implications within natural hazards and disaster management, with free and easy access to a wealth of satellite imagery that was accessible anywhere in the world without the need to spend vast amounts of money on software, training, or personnel.

Within just a short time after Hurricane Katrina struck in 2005, Google Earth added 8,000 post-disaster aerial photographs of flooded areas taken by the U.S. National Oceanic and Atmospheric Agency. The service connected users to vast catalogues of georeferenced satellite imagery, which users could view in sharp focus without bandwidth or resource restrictions. The images allowed disaster relief workers to scan areas on the computer and search for passable roads, make damage assessments, and plan relief efforts. This service was not only used by researchers or practitioners operating within this field, but also members of the public who have reveled the ability to explore spatial data in a visually captivating and intuitive interface. Within the impacted area, however, where computers were damaged, electrical power networks were destroyed, and Internet communications were disrupted, it was impossible for emergency managers to make use of Google Earth's data and tools for days, and in some cases weeks or months.

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