viggen - 9:23 am on Jun 25, 2012 (gmt 0)
From the advertiser's perspective, one of the biggest weaknesses of Facebook advertising is that there's no way to limit the exposure of your ad other than reducing your budget.
We had a similar problem and got around it partially by having daily target groups.
Day 1. New York City female above 30
Day 2. New Yor City male above 30
Day 3. Boston female above 30