NAP (Name, Address, Phone Number) – Ads that adapt their appearance based on the website they appear on, in order to blend in with the content.
navigation – That which facilitates movement from one Web page to another Web page.
negative keywords – Keywords that prevent ads from appearing for search queries that contain them.
netiquette – Short for network etiquette, the code of conduct regarding acceptable online behavior.
network effect – The phenomenon whereby a service becomes more valuable as more people use it, thereby encouraging ever-increasing numbers of adopters.