Tweets about to Starbucks' tax avoidance policies and how the company treats its workforcewere displayed on a screen outside the Natural History Museum this weekend. Starbucks' Twitter wall moderator suffered a temporary malfunction with the content filtering system.

The Daily Mail has discovered that electoral registration office sell an edited version of the electoral register to junk mail companies. They also got their figures wrong – again.

BBC Watchdog Daily is very confused about 'To the Occupier' junk mail. The presenter actually got the chief executive of the Direct Marketing Association to acknowledge that there's no way to stop such junk mail – but she didn't realise.

The Daily Mail has studied Royal Mail's latest figures and predicts an avalanche of junk mail. Fortunately, the prediction is wrong – the newspaper got confused about the difference between business and junk mail.

I've got spam! I've been offered a unique opportunity to buy high quality, descriptive domain names that receive regular type-in traffic – for about twenty times the original price.

I've designed a 'No Unaddressed Mail' sticker for the Royal Mail. It's based on the company's 'Neighbours Not Trusted' sticker.

There's a new product in the Sticker Shop: 'No Cold Callers' stickers.

In 2009, Government announced a consultation on the future of the edited register. They promised that not reforming the practice of selling voters' personal details wasn't an option. Move forward three years, and Government has quietly announced that the consultation has been binned.

The Journal of Economic Perspectives has published research into how much spam is costing the US economy. It's junk science – but interesting nevertheless.

If you thought the cookie law is going to stop anonymous marketeers tracking you on the W3, you were wrong. It could have been a good piece of legislation, perhaps even the end of online tracking. Unfortunately, though, the ICO has decided to enforce the law in a way that will only encourage this dodgy practice.