I emailed them about this, they claim its a error in the privacy policy and will update it. They say it is referring to the case if you share your reading list publicly.
Yep, it's just not being explained enough in our Privacy Policy. We will change that.
Linkpack does not collect all of your links and sends them to our servers. Only after tapping the share button in a particular folder, and only then, it makes a request to Dropbox API to collect just the links of this particular folder, in order to generate the page that you can share with your friends.
Linkpack does not collect all of your links and sends them to our servers. Only after tapping the share button in a particular folder, and only then, it makes a request to Dropbox API to collect just the links of this particular folder, in order to generate the page that you can share with your friends.