ChrisHuh, apparently McDonald’s blocks blender.org, mozilla.org, and gnome.org - as well as a few other FOSS projects - on their wifi.
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.