(Note: this is a guest post from our good friends over at Bannersnack, an easy-to-use banner creation tool. Enjoy!) Running a successful advertising campaign on any search network can be challenging. But let’s face it, search advertising is much easier to understand, follow and optimize compared to display advertising. Don’t get me wrong, search campaigns can be a pain to deal with as well, but overall they are more accessible and offer a much clearer view of your progress...