It's free and cross-platform with collaboration and annotation features ... yep, Papers was a waste of money (Papers did finally fix the bug, so it starts witho

It's free and cross-platform with collaboration and annotation features ... yep, Papers was a waste of money (Papers did finally fix the bug, so it starts without crashing now that I don't use it). On the other hand signing up created a public social network profile, subscribed me to a newsletter and updates, and seems to offer no way to delete the account. Great, I just wanted to play with the software.