A、It gathers information on car buying from various sources. B、It provides data about the average price of a car model. C、It hel

　　(22) You can divide the automotive universe into two categories: those who paid too much for a new car and those who think they did. Such is the maddening process of visiting dealers, decoding their "real" cost, negotiating and bargaining the fees. (23)Revolutionizing the model of car buying is the crusade (改革运动) of Scott Painter, the 43-year-old founder and CEO of TrueCar. com. TrueCar is a free online service that tracks actual purchases of new cars. Unlike other car sites, (24) it collects information from various sources in the transaction process: insurers, lenders, government records, and the 5 400 brick-and-mortar dealers in 49 states that participate in TrueCar’s network. From these data, (24) TrueCar determines average prices for any model in a given area in the past month. TrueCar’s best graphic; Plug in a vehicle model and zip code, and TrueCar creates a series of price charts showing the range of what people have paid. (24) You can then negotiate knowledgeably with local dealers—and if you want price quotes from dealers in TrueCar’s network, just click a button. The average savings for a TrueCar buyer is 9.7% off sticker price. Sometimes, where dealers have too much inventory, many buyers have paid less than dealer cost. (25) "There’s an average 25%   range from top to bottom on what people pay for a commodity—the exact same car, Painter says. Buying a car should be more transparent. You don’t have to trust the dealer anymore—trust the data. "
　　22. What does the speaker say about the customers when buying cars?
　　23. What can we learn about TrueCar?
　　24. What can’t TrueCar do?
　　25. Why did Scott Painter found TrueCar?