The natural tendency for most web site owners to advertise only in the most recognized places, such as sites and very clear, and recognized industry leaders, and pay expensive in the search engines above, or other expensive places outside the network. Spending a large amount of money in a very concentrated form, they hope to achieve a return with only a few ads untested. And the explosion of this marketing, and website owners to practice marketing their websites in short bursts, and expensive, and usually ineffective.
