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An attendee uses a computer to sign in for the Google I/O developers conference on May 15, 2013 in San Francisco, Calif. - 

This final note on the way out: A punctuation mark of sorts on the Edward Snowden news of the day.

Google -- one of the companies named in the files Snowden has confessed to leaking -- has officially asked the government for permission to reveal details of the data requests it gets from the government. As of right now, it's not allowed to even acknowledge those requests, let alone how many of them there are and for what kind of data.

Google -- and pretty much all the other companies, too -- say they share far less data with the government than they're being accused of.

Follow Kai Ryssdal at @kairyssdal