Which of the Following Statements About Online Advertising Is Most

Which of the following statements about online advertising is most accurate?

A) It is easier to measure the impact of online advertising than other media.
B) Although annoying, click fraud and web-tipping are not causing real financial damage.
C) Although they are popular for younger generations, few baby boomers can be reached with online ads.
D) Though all online ads may not result in "clicks," studies show they can still result in higher purchases and website traffic.
E) "Clickbots" can help eliminate fraud in online advertising.