The killer part of Dropbox was multi-platform, and integrating it into the OS properly, so that you knew where your stuff was. Also the downloaded app just use

The killer part of Dropbox was multi-platform, and integrating it into the OS properly, so that you knew where your stuff was. Also the downloaded app just used a simple set of credentials to get working. I had tried many solutions before this, and they were all, without exception, a pain to use and usually ridden with ads and weird interfaces. You usually felt dirty going to download a file from the website.