Staples Inc. easy buttons are displayed for sale at a store in Mount Prospect, Illinois, U.S., on Saturday, Aug. 13, 2011. Staples Inc. is scheduled to announce second quarter earnings on August 17. Photographer: Tim Boyle/Bloomberg via Getty Images
Staples Inc. easy buttons are displayed for sale at a store in Mount Prospect, Illinois, U.S., on Saturday, Aug. 13, 2011. Staples Inc. is scheduled to announce second quarter earnings on August 17. Photographer: Tim Boyle/Bloomberg via Getty Images