> Given how much click fraud there is [etc] It's easy for the techies to see the problems. But advertising results have been very measurable for a very long ti

> Given how much click fraud there is [etc] It's easy for the techies to see the problems. But advertising results have been very measurable for a very long time by now. Larger advertisers can leave the details to their techies and still be very clear as to their advertising's productivity post-cost of doing business.