Sir Ryan BemroseThe "Bottoms up" glasses sound like a great idea - until a couple months go by and the valves wear out. At that point, they fail at the number one requirement for a beer glass which is to hold beer.
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.