Dropbox had to quit doing this 10 years ago https://news.ycombinator.com/item?id=2478567#2478608 https://news.ycombinator.com/item?id=2478567#2478608 Apparent

Dropbox had to quit doing this 10 years ago https://news.ycombinator.com/item?id=2478567#2478608 https://news.ycombinator.com/item?id=2478567#2478608 Apparently Dropbox notices they already have that file, and instead of you uploading it they just make it appear in your account.