<http://schema.org/topics>
"Apple,Business,Business Lists,expense reports,Expensify,Fresh Xpense Capture,iPhone,iPhone Resource Lists,iReceipt,Lists,Mobile,Mobile Lists,Out of Pocket,ProOnGo Expense,Shoeboxed Receipt Tracker,Small Business,work expenses"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2010/12/30/expense-reports-iphone-apps/>