Chart of the day: price of postage

From today, the price of a second class stamp is higher than the price of a first class stamp was yesterday. The price of posting a later has almost tripled in the last decade, and this year's rise is the highest ever – a staggering 39 per cent.

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.