] The global usage of 2 word phrases has increased with
] 3.36 percent from 29.22 percent to 32.58 percent since
] April 2003. The use of 1 word phrase has decreased with
] 5.74 percent from 24.76 percent to 19.02 percent.

Internet users are become more sophisticated in their use of search technology.

OneStat.com - Web users become more sophisticated