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In bus advertising, buses and their related infrastructure is a medium commonly used by advertisers to reach the public with their message. Usually, this takes the form of promoting commercial brands, but can also be used for public campaign messages. Buses may also be used as part of a political or promotional campaign, or as a tool in a commercial enterprise. History Bus advertising descends from similar methods used on streetcars in the early 20th century...

This is a very rare Nazi multi-shot 5.6mm (.22 cal) belt buckle gun invented by Louis Marquis while in a WWI POW Camp and received a patent for a similar design in 1935. When activated, the cover would open up, revealing the barrels loaded with cartridges. These immediately fired on some test models or could be individually fired by the triggers...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...