6) Big data (economic news) – The Trading Economics calendar again frequently hosts useful charts of how an economic indicator has performed in recent history, but for something more nuanced, Statistia http://www.statistia.com provides some great free tools, albeit on a limited basis. It’s also supported by an expensive subscription service but if you want to find a chart of UK GDP from the end of World War II or annual global wheat production over the last 12 years, this is your place.