Wiktionary
advertainment
n. A form of communication that combines the elements of advertising and entertainment.
Wikipedia
Advertainment
Advertainment is a term used to reflect the intertwining relationships between advertising and entertainment. Typically it refers to media that combines various forms of entertainment (television, movies, songs, etc.) with elements of advertising to promote products or brands. An example would be product placement in a film. The word is a portmanteau of advertising and entertainment.