"SOS is very simple you are not going to hear that at any other time, " Mr Eavis says.

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If you are not familiar with crowdsourcing, the model is simple.

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But, unless you believe that everyone in Britain is exactly the same, things are not as simple as this.

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You quickly learn that if your explanation is not simple to understand or interesting, they are going to move on and talk to someone else.

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There are simple things, like the decision to not hide your password as you type it in (research shows less errors, higher satisfaction and no negative security consequences), but also methods to keep users logged in by default, reducing the need for bothersome logins.

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Their pitch is simple: You are sitting on a pot-of-gold you would be foolish not to unload.

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So, if any of you reading this are struggling with post-combat emotions, please consider these three simple things -- things that took me a long time to understand: You are not alone, it's OK if you are not OK and it really does help talk to someone about it.

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