Acknowledgements
This free course was written by Martin Upton.
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Figure 1: Sonos: http://www.sonos.com/ en-gb/ home
Figure 2: © Sagamanis/Getty Images
Figure 3: left to right: ©annebaek/iStockphoto; avid-creative/iStockphoto.com; © Globalstock/iStockphoto.com; ©szefei/iStockphoto.com.
Figure 4: © Monika Wisniewska | Dreamstime.com
Figure 7: © CEFutcher/iStockphoto.com
Audio-visual
2 Credit rating agencies and you: Martin Lewis (moneysavingexpert.com) at Denbigh School, Milton Keynes © The Open University https://creativecommons.org/ licenses/ by-nc-nd/ 3.0/
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