U.S. Census BureauIt’s our American #Pi! Est US pop just passed 314,159,265 or pi times 100,000,000 #Math fans, see pop clock http://go.usa.gov/7YL
When you tweet with a location, Twitter stores that location. You can switch location on/off before each Tweet and always have the option to delete your location history. Learn more
It’s our American #Pi! Est US pop just passed 314,159,265 or pi times 100,000,000 #Math fans, see pop clock http://go.usa.gov/7YL
