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The police have warned of a "", and in the vanguard, it's claimed, the middle-classes angry at the current state of the economy.

Then there's the G20, and the potential for heated demonstration .

But is it always the squeaky wheel that gets the most oil? Blog commenter Richard accuses the media of overlooking peaceful demonstations.

On iPM we'd like you to share your experience of protesting, whether large or small. We're particularly keen to hear from you if you are going to a demonstration this weekend. Leave a note either in the comments or email us at ipm-at-bbc.co.uk. You can us too.

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