Now, my office is planning on providing financial data directly on the property tax bill so taxpayers can see the figures for the agencies that receive their share of the property tax.

FORBES: Cook County, Illinois Treasurer Warns U.S. Homeowners And Retirees Of Local Debt Hazards

While its main business is providing financial information, Brooklyn-based Track Data owns, ironically, a stock brokerage.

FORBES: Tracking Track Data