In 1993, 0 searches were performed on the internet. No search engine existed yet; however a few catalogs of content were maintained by hand. Twenty years later, Google reported that more than 1,722,071,000,000 searches would occur in a one-year period. Today, even more. Stunning.

By 2020, customers will manage 85% of their relationship without talking to a human (Gartner Research). 

In an October 2013 survey by Ascend2 of business leaders and marketing professionals, only 8% of those polled do not currently use pay-per-click advertising and have no plans to do so in the future.