According to the article,
Dropbox Updates with Automatic Screenshot Saving and iPhoto Importing (http://lifehacker.com/dropbox-updates-with-automatic-screenshot-saving-and-ip-1434368743), Dropbox for the Mac allows you to upload screenshots. If that is a feature you want to have so you can share with others, go ahead and turn it on.
Not sure about others, but I have too many photos on my Mac devices. It would take too much space that I need for work files. For some, however, that feature may be helpful.
Not sure about others, but I have too many photos on my Mac devices. It would take too much space that I need for work files. For some, however, that feature may be helpful.