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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Internet Interv. 2014 May 23;1(2):58–64. doi: 10.1016/j.invent.2014.05.001

Figure 1.

Figure 1

Examples of two successful ads (1a), moderately successful ads (1b), and unsuccessful (1c) ads from the Facebook campaign based on the cost per unique click metric. Ad type included Standard, Newsfeed, Sponsored stories, and Promoted posts; Total Reach is the number of unique users who saw an ad; Total Unique Clicks is the number of unique clicks an ad received during the time it was turned on; Unique Click-Through Rate is the number of unique clicks divided by the number of unique users who saw an ad.