Trad Media Turned Digi/Mobile Marketer/consultant! (Mobile Director for London's Telegraph Media Group)
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20th–21st November 2012
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17th–18th October 2012
mark challinor spoke
25th–29th June 2012
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22nd March 2012
mark challinor spoke
United States United States, San Francisco
28th February to 3rd March 2011
mark challinor spoke
United States United States, Cambridge
2nd–3rd December 2010
mark challinor spoke