Acknowledgements
Grateful acknowledgement is made to the following source for permission to reproduce material in this course:
Course image: Walter [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] in Flickr made available under Creative Commons Attribution 2.0 Licence.
Figure 12: Taken from http://radar.oreilly.com/.
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