Sometimes, the technology has been around to do something special for ages, and then finally someone hits on the right combination of cleverness and creativity to make it happen.
HMV was what you did because you always have. The function HMV ended up performing was either reminding you what to listen to on Spotify or buy from Amazon later at a cheaper price. It is sad to see a musical institution close but the closure of HMV is just another consequence of a change in musical trends.
It is hard to believe that it is now eight years since the first Official Download Chart was launched in the UK. How the world has changed.