Brand new PEW report on search engine usage(36 page PDF here) . Some highlights:

• 84% of internet users have used search engines. On any given day, 56% of those online use search engines.
• 92% of those who use search engines say they are confident about their searching abilities, with over half of them, 52%, saying they?re ?very confident?.
• 87% of searchers say they have successful search experiences most of the time, including some 17% of users who say they always find the information for which they are looking.
• 68% of users say that search engines are a fair and unbiased source of information; 19% say they don?t place that trust in search engines.

• 50% of searchers say could go back to other ways of finding information; 32% say they can?t live without search engines; and 17% say could let them go tomorrow.
• 47% of searchers will use a search engine no more than once or twice a week; 35% of searchers will use a search engine at least once a day.

(Via BoingBoing)