Search Engines Usability Study

Do people using search engines able to achieve what they wanted to? At least the growing numbers indicate so.

60% of people achieved their objectives using search engines in 1999
In 2008, this figure had increased to 75%

In 2004, 40% of people visited the homepage and then drilled down to the actual objective page.
In 2008, only 25% of the people do so.