similar moves by Amazon and IBM.Microsoft's president and chief counsel, Brad Smith, announced the decision and called on Congress to regulate the technology during a Washington Post video event on Thursday.“We’ve decided we will not sell facial recognition technology to police departments in the United States until we have a national law in place, grounded in human rights, that will govern this technology,” Smith said.The trio of tech giants is stepping back from law-enforcement use of systems that have faced criticism for incorrectly identifying people with darker skin.