Some customers in the Phoenix metro area will be able to use a driverless shuttle service to pick up groceries at Walmart — if they purchase them online.
The amount of time people spend on digital devices is soaring — to the point that several countries treat internet addiction as a public health crisis. But some users are turning to ancient religious practices to be more mindful of their time online.
President Trump says the Russians "meddled" in the 2016 election. But Brian Klaas of the London School of Economics tells NPR's Michel Martin that word doesn't go far enough.
NPR's Michel Martin asks cybersecurity expert Clint Watts whether Russians are using social media to influence the midterm elections as they did in the 2016 presidential vote.
NPR's Michel Martin speaks with West Virginia Secretary of State Mac Warner about steps his state is taking to safeguard election systems ahead of the 2018 midterms.
NPR's Scott Simon asks Alexander Malkevich of the website USA Really and The Daily Beast's Lachlan Markay about Russian social media efforts in the U.S.
The security of the midterm vote is a question that's coming up again after President Trump's press conference with Russian leader Vladimir Putin, where Trump seemed to doubt Russia interference.