By 2040, it is estimated that 33 million driverless cars will be sold every year and will be much safer and make fewer errors than human drivers. Yet, driverless cars have a long way to go before becoming commonplace in the market.

Right now, federal safety regulations are minimal, there's a lack of clear responsibility when accidents do occur, there are huge privacy and hacking concerns, and the public is still very skeptical about being on the road with driverless vehicles.

"All these connections increase the risk of hacking, just because there are many more entry points for hackers to exploit," says Ballard Spahr privacy and data security attorney Phil Yannella. "It will increase the risk that a coding bug could cause widespread damage, because an issue in one car could involve accidents with other cars that are communicating with that vehicle."

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