UK's Advertising Standards Authority bans a Facebook ad for contraceptive app Natural Cycles, says it was misleading and exaggerated the app's effectiveness Sara Spary / HuffPost UK : HuffPost UK 2018-08-29 Sara Spary Advertising Standards Authority, Facebook, Natural Cycles, Sara Spary / HuffPost Related Coverage View article Gizmodo View article The Next Web View article The Guardian View article TechCrunch View article BBC