(Urban Dictionary) "Empty your machine gun magazine at target. Hope your attack will kill enemy, stop vehicle, etc."
(Marketing definition) Send your advertising message out to various channels with no plan. Hope your message will reach people.
Useful. Usable. Desirable.— Mulva Library at St. Norbert College (@mulvalibrary) November 17, 2017
Three tenants of good usability. #LMCC17 pic.twitter.com/dY2UxJShgT