“Facebook ads differ from almost every other type of Internet ad in at least two important ways…”
“Understand the nuances of Facebook ads to find the best fit for your objectives.”
“Organizations considering Facebook ads can look at this summary of the four different types of ads, with an example of each, plus a handy comparison chart at the end of this post.”
Article: “4 kinds of Facebook ad types compared”
This article is by John Haydon on the Socialbrite blog.