I helped my in-laws set up a new iMac last fall (an upgrade from their ancient Dell tower running XP) and made sure to install Dropbox. Sure they may never use

I helped my in-laws set up a new iMac last fall (an upgrade from their ancient Dell tower running XP) and made sure to install Dropbox. Sure they may never use it, but it's only a matter of time until I need to do some form of tech support, and it's going to make my life immeasurably easier.