Heavy traffic heads south on Interstate 93 over the Zakim Bridge, Friday, Sep. 1, 2023, in Boston. Cars are getting an “F” in data privacy. A new study released Wednesday, Sept. 6, 2023, found that most major brands admit they may be selling your personal data, with half saying they will share it with the government or law enforcement without a court order. (AP Photo/Michael Dwyer, File)