https://medium.com/@dan_abramov/smart-and-dumb-components-7ca2f9a7c7d0#.dwmn8skx3 https://medium.com/@learnreact/container-components-c0e67432e005#.dfyvgwvf2 https://medium.com/react-tutorials/react-state-14a6d4f736f5#.507fjybe2