https://www.facebook.com/excedrin/app_435828623160755
They are doing this every day until March 23rd, For the first 20,000 people per day!
• March 20, 2013 12:00:01 PM ET
• March 21, 2013 2:00:01 PM ET
• March 22, 2013 4:00:01 PM ET
• March 23, 2013 6:00:01 PM ET