We were very taken with this talk from advertising bod and veteran climber Matthew Childs taking lessons from the rockface and applying them to real life. And, yes, “don’t let go” is in there.

Sir Tim Berners-Lee tells TED 2009 what the web of the future will look like.
For his next project, he’s building a web for open, linked data that could do for numbers what the Web did for words, pictures, video: unlock our data and reframe the way we use it together