Every time you go out on the ice, there are slight flaws. You can always think of something you should have done better. These are the things you must work on.
The main reason people want to pay for Spotify is really portability. People are saying, 'I want to have my music with me.'
In parallel with the development of my interests in technical gadgetry I began to acquire a profound love of and respect for the natural world which motivates my scientific thinking to this day.