We will start with a brief history of maps and mapping, and then look at some of the new ways we can nowadays use information traditionally shown on maps - SatNav systems, Web Mapping, Google Earth, Geographic Information Systems, etc. We will then look at the new technologies that make these new developments possible, and how they work, including map databases, GPS, satellite imagery and relevant IT standards. We will consider a range of applications of geographical information systems including e-government, planning, the environment, transportation and location based services and some of the ethical and societal issues involved. Hopefully there will be time to do a little crystal ball gazing. No previous knowledge will be assumed, but some level of familiarity with the Internet would be useful. The course will introduce a wide range of websites with geographical content. This is an update of the course given last year.