Reading science fiction has given me ideas that I would have never had before. I can comfortably say that it has expanded my narrow mind. Even pulp space-opera

Reading science fiction has given me ideas that I would have never had before. I can comfortably say that it has expanded my narrow mind. Even pulp space-opera helped here! Apart from that, taking the time to grok the architecture or top-rated issues of open source projects helps to make you a better developer - or at-least avoid obvious mistakes when coding some new feature of your own.