it seems it's cloud-based. Fun for playing around but not suitable for real work (at least for me). I can't just upload random data to some cloud service to wo

it seems it's cloud-based. Fun for playing around but not suitable for real work (at least for me). I can't just upload random data to some cloud service to work with it, also I can't upload data if it's too big. Often the data that's valuable is very sensitive.