From Ms Anna Eagan.

Sir, Barack Obama’s use of data mining to target companies and individuals (“Obama’s faith in the geek elite who have your secrets”, Columnists, June 3) has an upside for people like me.

No doubt because of what the databases revealed about my intense dislike of President Obama and his policies, I have never received a solicitation from his electoral campaigns or any other contact seeking my support.

Anna Eagan, Chicago, US

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