dark advertising
A type of online advertising visible only to the advert's publisher and the intended…A type of online advertising visible only to the advert's publisher and the intended target group.
Meaning
1 senses(uncountable)A type of online advertising visible only to the advert's publisher and the intended target group.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable