When companies lock down their systems and fail to listen to staff feedback, more often than not the result is that employees take matters into their own hands and find ways getting round their restrictions.

BBC: Hacking work: How to break the rules to work better

Whether that entails chatting up the person beside him on an airplane or taking his staff out for a round of drinks after work, getting out and hearing from people--what they like and, more important, what they don't like--has proved enormously valuable for Branson.

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