Wondering if you should diversify your Pay-Per-Click campaign into several search engines?  If you have the impression that you shouldn’t be putting your eggs in one basket by using Google as the exclusive host to your PPC budget, take a look how the statistics are disagreeing with you.

The following is a chart of the market share of all the major search engines;

October 2009

October 2009

Note that this chart does not reflect local searches in your area.  Local search engines continue to represent an important source of web traffic for those businesses operating within geographical restrictions. Having increased from 70% search market shares, Google has not only surpassed expectations but continues to write the book on search engine fundementals.