Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] ), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Cover image: Norlando Pobre in Flickr made available under Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence.

Grateful acknowledgement is made to the following sources for permission to reproduce material within this product

© 2003 IEEE. Reprinted, with permission, from Shepherd, D., 'Networked Microsensors and the End of the World As We Know IT', IEEE Technology and Society Magazine

Figure 22 © 2006 Google

Figure 23 © 2006 Google

Don't miss out:

If reading this text has inspired you to learn more, you may be interested in joining the millions of people who discover our free learning resources and qualifications by visiting The Open University - www.open.edu/ openlearn/ free-courses