Over drinks the other night, the conversation turned to "why didn't I think of that?", that sinking feeling in your gut when confronted with a work of sheer brilliance, and often sheer simplicity, that you feel you could have come up with yourself in a parallel universe.
In the absence of any definitive reference site to such things (and yes, just about every permutation of this phrase has been registered as a domain), dynamo London was formed to showcase OTHER people's stuff.
Why didn't I do that? on Pixelsumo documents a recent event held at the Globe Theatre.