Being an MP is not all about writing to your constituents and shouting during Prime Minister's Questions.
The lobbying sting targeted at a Tory MP and three members of the House of Lords has thrown the focus on the murkier world of lobbying.
Transparency campaigners say it is time to clean up some of the 584 All Party Parliamentary Groups MPs and peers can sign up to.
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Tamasin Cave, of Unlock Democracy, told The Huffington Post UK that while some were "harmless, or pointless", others were more concerning as they could be used as an easy way for lobbyists to get access to ministers.
Here's a selection taken entirely at random for you to judge:
