The content acknowledged below is Proprietary (see terms and conditions) and is used under licence.
Grateful acknowledgement is made to the following sources for permission to reproduce material in this course:
Course image: Creative Commons Attribution 2.0 Licence.in Flickr made available under
The content acknowledged below is Proprietary and is used under licence.
The following material is proprietary (and not subject to Creative Commons Licence) and used under licence (see terms and conditions):
Section 4.5: Sesame;
Section 5: Syndication International, Mirror Group Newspapers.
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