The story
Blend of map + advertising. Though there is evidence of usage before, the term first came into heavy use in 2006. The word was trademarked in the United Kingdom only on November 29, 2004.
Etymology from Wiktionary, CC BY-SA 4.0.
mapvertising
Today it means: the concept and act of advertising on, or in direct relation to, maps; generally referring to online maps, but also including rooftop and other large, physical ads positioned for satellite photo opportunities. Full definition →