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Articles on Smart phone apps

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In many cases, getting on a plane, attending a show or going to a store requires an app that proves you’ve been vaccinated. AP Photo/Amr Nabil

Vaccination passport apps could help society reopen – first they have to be secure, private and trusted

How do you prove that people have been vaccinated without putting their privacy at risk? The technology and best practices to make it happen exist. It's far from clear, however, if they're being used.
Apps that warn about close contact with COVID-19 cases are key to relaxing social distancing rules. Walter Bibikow/Stone via Getty Images

How Apple and Google will let your phone warn you if you’ve been exposed to the coronavirus

Bluetooth wireless communication makes it possible to track when people have been exposed to people infected with the coronavirus. The right cryptography scheme keeps alerts about exposures private.
Mexico’s new app makes it a snap for political independents to collect voter signatures — unless, of course, their supporters don’t have smartphones or live in rural areas without reliable internet. Reuters

Want to be president of Mexico? There’s an app for that

Almost 50 independents want to run for president of Mexico in 2018. But only a handful will likely make the ballot, in part due to the glitchy election app voters must use to show their support.

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