. -- professor whitten. >> thank you. i devoted my career as an academic and as google's lead privacy engineer to one primary goal, making it intuitive, simple, and useful for internet users. this is the central challenge of privacy engineering. be services on the internet constantly evolve. viable news services change the way that we interact with each other and use information. these services, built in part from the information that providers learned from their users, offer the value. many are offered for free. they have been good for our economy. in 2009 alone, google of online advertising generated a total of $54 billion of economic activity for american businesses, website publishers, and nonprofits. that includes 9000 billion dollars the week gave to advertisers lester. -- that we gave to appetizer's last year. our biggest asset is our users a trust. it enables us to better match searchers with the information that they seek to fight off those that would scam our users are undermine the usefulness of our search resu

. -- professor whitten. >> thank you. i devoted my career as an academic and as google's lead privacy engineer to one primary goal, making it intuitive, simple, and useful for internet users. this is the central challenge of privacy engineering. be services on the internet constantly evolve. viable news services change the way that we interact with each other and use information. these services, built in part from the information that providers learned from their users, offer the value. many are offered for free. they have been good for our economy. in 2009 alone, google of online advertising generated a total of $54 billion of economic activity for american businesses, website publishers, and nonprofits. that includes 9000 billion dollars the week gave to advertisers lester. -- that we gave to appetizer's last year. our biggest asset is our users a trust. it enables us to better match searchers with the information that they seek to fight off those that would scam our users are undermine the usefulness of our search resu

. -- professor whitten. >> thank you. i devoted my career as an academic and as google's lead privacy engineer to one primary goal, making it intuitive, simple, and useful for internet users. this isthe central challenge of privacy engineering. be services on the internet constantly evolve. viable news services change the way that we interact with each other and use information. these services, built in part from the information that providers learned from their users, offer the value. many are offered for free. they have been good for our economy. in 2009 alone, google of online advertising generated a total of $54 billion of economic activity for american businesses, website publishers, and nonprofits. that includes 9000 billion dollars the week gave to advertisers lester. -- that we gave to appezer's last year. our biggest asset is our users a trust. it enables us to better match searchers with the information that they seek to fight off those that would scam our users are undermine the usefulness of our search results