Easy Bookmarks™

Context: recent discussion on the standards list about a new bookmarks XEP.

= Use cases =

In descending order of priority (and thus in descending order of simplicity of UX):


 * 1) Simple default case: all joins and parts to MUCs are synced on all devices
 * 2) "Spare the mobile some battery": some MUCs shouldn’t be joined on a mobile device, but on all non-mobile devices