<http://schema.org/about>
"Coupon websites change their coupons throughout the month, but most of them make major changes at the beginning of each month. Here\u2019s a list of printable coup"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/money/personal-finance/blogs/online-grocery-coupons-for-october-2012>