This guest blog post by Professor Sally Shuttleworth, Dr Gowan Dawson, Dr Sally Frampton and Dr Geoff Belknap is well worth a quick read. It shows how the idea of citizens taking part in the scientific process had been around since at least the 19th century, and discusses how what was taking place back then compares to modern day citizen science. You can read it here www.sciculture.ac.uk/from-amateurs-to-citizens-periodicals-images-and-internet-platforms-in-the-19th-and-21st-centuries