I think it is thriving because is simple and transparent. Users dont have to learn how to use a new application if they don't need the advanced features. They

I think it is thriving because is simple and transparent. Users dont have to learn how to use a new application if they don't need the advanced features. They just drop files into folders like they always have. It was perfect solution for integrating version control for my diverse team of designers(macs), developers(linux) and everyone else(windows).