Reach is one thing. Notice, and more particularly trust, are quite another. Yesterday Alex gently challenged me over my assertion that six degrees of separation will soon be replaced by six clicks. Her point – and it’s a very important one – is that there is a marked difference in loyalty between degrees and clicks of separation because we generally build stronger bonds face to face than we do online, and the strength of those bonds will extend further into our networks. Six clicks, she believes, is just too many. Alex’s view is that much after two clicks, the network is already so wide and the bonds of engagement so unsupported that people simply drop off our radar. We don’t take it any further. There is a limit to the familiarity we can, and probably choose to, leverage, and it occurs at a much earlier point than in the physical world. In the physical world, knowing someone who knows someone who knows someone who knows someone who knows someone who knows someone is intriguing and …