The humble Post-It Note – life as we know it would come to an abrupt end without these excellent little squares of paper. Most people write notes on them, but a few knowledgeable artists and stationery scientists do all sorts of wonderful things with them.
The following art installation (for want of a better term – is it “street art”?) is currently on display in New York.
Of course, there’s the classic Super Mario Post-It Note work: