A post about the recent bankruptcies of high street chains HMV, Blockbuster and Jessops - brands which holds a lot of memories with me - made me think back to a a favourite video which bears revisiting.

"Where-ever there is mediation there will be disruption. This is not just the lesson of an economic downturn - it is the structural reality of the networked world - of an Open Economy... The web disintermediates - and retail is mediation," wrote David Cushman following the recent collapse of these household names.

That post, or maybe it was HMV's collapse, I don't quite remember, reminded me of the excellent "Day of the Longtail", which I think I came across in 2006 or thereabouts via Adriana. Back then it was a feeling that this kind of disitermediation was imminent, but it has been a slow, drawn-out process which has far from come to it's end. In either case, the video is worth revisiting: