Originally Posted by daffy4u
I think you're assuming that I live in Calibre. It is not something I use daily.
I'm not really assuming anything about you. I just hoped people would use care with setting up dropbox, regardless of how often they use Calibre.
For those who use it very seldom, the risk of concurrent use and conflicts seems to me to be very, very, low. That's one of those factors to be considered when weighing convenience against risk.