ads ##N Network ( FAN ) has been heavily criticised for blocking ads on Breitbart . An ##N buyer spotted that FAN , which uses blocking ads to sell ads outside the social network , placed its ads on the controversial site ; the buyer is now advising clients to avoid FAN . Facebook said that FAN advertisers can choose where their ads appear by blocking sites they do not want them to run on , but the buyer contended that FAN was unclear about the fact that Breitbart was included in the package to begin with .
Facebook Audience Network (FAN) has been heavily criticised for placing ads on Breitbart. An ad buyer spotted that FAN, which uses Facebook data to sell ads outside the social network, placed its ads on the controversial site; the buyer is now advising clients to avoid FAN. Facebook said that FAN advertisers can control where their ads appear by blocking sites they do not want them to run on, but the buyer contended that FAN was unclear about the fact that Breitbart was included in the package to begin with.