Well, presumably ads are fairly effective for the majority of the populace as candidates are willing to spend a lot of money on them. On a side note, I persona

Well, presumably ads are fairly effective for the majority of the populace as candidates are willing to spend a lot of money on them. On a side note, I personally see a Ron Paul ad every other Youtube video on the occasions when I have AdBlock disabled, which may be why he has such strong support among younger voters.