Every few generations, there is a 'killer app' (i.e. the spreadsheet, email, etc.). These are apps that change the industry in such a way that changes the way people work. The current killer app is Bitcoin, because it is essentially allowing software to generate money from 'mined' data. Bitcoin also started the cryptocurrencies and Blockchain movement that is revolutionizing the financial industry. Each of these two technologies has started whole new movements that are creating new companies, wealth, and products.
