why do you need £500 to create an informative youtube video about your projects, As i think the money could be well

Question: why do you need £500 to create an informative youtube video about your projects, As i think the money could be well used somewhere else?
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Asked by mcvay123 to Simon on 14 Jun 2013. This question was also asked by ksiolajidebt.
- Simon Holyoake answered on 14 Jun 2013:
  
  Very good question, in many respects I signed up for this programme to speak to students about science, while the prize is nice, it was certainly not my main motivation. My role as I see it is to inform and hopefully inspire, I think a good way to do this would be to produce a short film demonstrating the sheer variety of work that is undertaken in the fields of science and engineering
  
  What would you do with the money? I’m very much open to ideas!! 🙂

Question: why do you need £500 to create an informative youtube video about your projects, As i think the money could be well used somewhere else?