The Etiquette of Social Networking

Continuing in the vein of this marvellous year - okay, in comparison to other events it rather pales :D - I woke this morning to find an email from Twunfollow telling me someone I considered a friend had unfollowed me on Twitter. It threw me and of course my immediate reaction was, 'What have I done?' Stupid reaction, I know.

I'm used to getting unfollow messages - usually Twunfollow tells me folk who have been following me for a day or a week have stopped following (because I didn't follow t...