I remember thinking years ago that Dropbox's product is the perfect example of the 90/10 rule of programming. I feel like the code Drew wrote at YC covers 90% o

I remember thinking years ago that Dropbox's product is the perfect example of the 90/10 rule of programming. I feel like the code Drew wrote at YC covers 90% of the usefulness of Dropbox. The rest has been really advanced and convoluted optimizations.