Google trends compresses badly over longer time periods. If you look at, say, the 2010 to 2013, the first two big bubbles then you get something that looks li

Google trends compresses badly over longer time periods. If you look at, say, the 2010 to 2013, the first two big bubbles then you get something that looks like http://i.imgur.com/JHLmkq6.png http://i.imgur.com/JHLmkq6.png