EugenI wish there were precedents or examples for server selection. Best I got as an example is WoW. I did borrow the "population" indicator from there.
Jonkman Microblog is a social network, courtesy of SOBAC Microcomputer Services. It runs on GNU social, version 1.2.0-beta5, available under the GNU Affero General Public License.
All Jonkman Microblog content and data are available under the Creative Commons Attribution 3.0 license.