Katie Brigham

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• Courts and police are turning to AI to reduce bias, but some argue it'll make the problem worse

  By: Katie Brigham

  Increasingly, algorithms and machine learning are being implemented at various touch points throughout the criminal justice system, from deciding where to deploy police officers to aiding in bail and sentencing decisions.

• AI is being used to predict crime and send people to jail, but it could be just as biased as humans   

  By: Katie Brigham, Andrew Evers

  Increasingly, algorithms and machine learning are being implemented at various touch points throughout the criminal justice system, from deciding where to deploy police officers to aiding in bail and sentencing decisions. The question is, will this tech make the system more fair for minorities and low-income residents, or will it simply amplify our human biases?

• How Amazon makes money

  By: Katie Brigham

  Amazon reports record profits in 2018, thanks to increasing revenue from Amazon Web Services, advertising and the third-party marketplace.

• How Amazon made record profits in 2018   

  By: Katie Brigham

  Amazon reported a record net income of $10.1 billion in 2018, which was a considerable jump from $3 billion in 2017. CNBC breaks down where exactly the money came from and what is driving the company's increased profitability.

• Instagram rolls out sensitivity screens in the wake of teen suicide

  By: Katie Brigham

  Under pressure from the UK government, head of Instagram Adam Mosseri announced that the company is implementing changes that it hopes will prevent younger users from exposure to inappropriate content relating to suicide and self harm.

• This high school is making teens lock up their phones to prevent distractions

  By: Katie Brigham

  San Lorenzo High School in California bans cellphones during the school day using locking smartphone pouches created by the start-up Yondr.

• How this high school went completely phone free by locking up student's phones   

  By: Katie Brigham, Katie Schoolov

  U.S. high schools are starting to ban cellphone use with the help of a start-up that creates locking smartphone pouches. Yondr is catching the attention of an increasing number of educators now that some famous performers use the product at shows.

• Google is the most popular search engine in most of the world except Russia — here's why

  By: Katie Brigham

  Google is lagging behind in Russia, where the homegrown company Yandex has captured 55 percent of the market.

• Why Google is struggling in Russia   

  By: Katie Brigham

  While Google has about 90% of the global market share for internet search, it is lagging behind in Russia, where the homegrown company Yandex has captured 55% of the market.

• We rode the Google rollercoaster at CES so you don't have to   

  By: Katie Brigham, Magdalena Petrova, Todd Haselton

  Google built a rollercoaster at the Consumer Electronic Show in Las Vegas, the year's biggest tech show. CNBC's Todd Haselton take a ride through it.