This free course was written by Martin Weller and Nigel Gibson.
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Figure 1: Joi Ito in Flickr https://creativecommons.org/licenses/by/2.0/
Figure 2: photograph: keso s in Flickr https://www.flickr.com/ photos/ keso/ 108805307/
Figure 3: Nordiske Medledager in Flickr https://creativecommons.org/licenses/by-sa/2.0/
Figure 4: Shannon Kringen in Flickr https://creativecommons.org/licenses/by-sa/2.0/
Figure 5: Rohit Mattoo in Flickr https://creativecommons.org/ licenses/ by-nc-nd/ 2.0/
Figure 6: Adrian Clark in Flickr https://creativecommons.org/ licenses/ by-nd/ 2.0/
Figure 7: Linda Castaneda in Flickr https://creativecommons.org/ licenses/ by-sa/ 2.0/
Jonathan Worth: courtesy of Jonathan Worth and Alan Levine https://www.youtube.com/ watch?v=OzOcphQ_t84&feature=youtu.be
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