I'm a b0gger for complaining when things go wrong or when I feel ripped off ... I will always write to head office and let them know. Some companies welcome the feedback, others couldn't give a damn (ALD1, T3SC0)
I do let people know when they've given good service too, most recently the butcher who made our Xmas 3 bird roast, and A3DA who sold me a size 12 top with a size 8 label on it .. swift exchange, an apology, no stress.

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~ What do I think of Western civilisation? I think it would be a very good idea ~ Gandhi