According to the Pew Internet and American Life Project, search engines have become the second most used Net application after email. On an average day, there are about 41 percent of the Internet using population in the US turn to search engines, up from 31 percent in the middle of 2004. This is about 59 million people. Email remains the number one online service with 52 percent of US population checking mail on any given day.
Google is still the search engine leader with 43.7 percent for local searches, while Yahoo! is number one with 27.6 percent in terms of Internet Yellow Page sites.
Read more about this Project in a memo compiled by Pew Internet Project Director Lee Rainie and comScore Communications Analyst Jeremy Shermak on search engine use in November 2005.