What percentage of PPC "clicks" do you think are fraudulent but undetected by search engines?
Less then 5%
42% (52)Between 5-10%
16% (20)Between 10%-15%
15% (18)Between 15% - 20%
11% (14)More then 20%
15% (19)
42% (52)
16% (20)
15% (18)
11% (14)
15% (19)