It's a joy to be back at TEDGlobal in Oxford, and what an excellent first day we've had. Where else do you see Stephen Fry (who was winging it, albeit in his usual witty and learned fashion), followed by a 17 year old euphonium genius called Matthew White, followed by Gordon Brown? The PM actually impressed me and everyone else I've spoken to with a passionate and articulate speech about the great opportunity we have at the confluence of global communication, global problems and a shared ethical basis for global action. I hope he speaks as eloquently in Copenhagen.This morning (seems like a lifetime ago as I write - that's TED) I spoke about sound to a packed house of 270 as part of TED-University, where 24 TEDsters did a series of short talks - a mini TED which achieves the same effect of simultaneously stimulating and boggling the mind. I loved Rachel Armstrong on saving Venice with a protocell reef and Sam Martin on manspaces. Some kind comments about my talk, so a good start to the week.Sound has featured on the main stage already - not surprising given t