Another .net column has made its way online. This one’s about attention and the way that gadgets can remove you from the moment you’re filming, photographing or tweeting about.

Photos and videos are hyperlinks to memories, icons that your brain double-clicks to bring back the full experience – the sights, sounds, smells and sensations of a happy day or a crappy one.

Increasingly, though, we’re using gadgets to record the whole experience. That makes us passive observers, not active participants.