On Sunday 28 October I attended Shanghai Barcamp 9, organised by TechYizu. It was great to catch up with everyone in the local tech scene. Barcamps are “unconferences”, meaning anyone can show up without registering, and give a talk on a geeky topic of their choice. Here’s my talk from the event, on love hotels and Unicode. A few years ago in rural Henan province, a farmer was ploughing in his fie