Business

Walmart aims to empower workers with own devices, new app

Walmart is coming out with a new app for its store workers' phones that allows them to do a variety of tasks from digitally clocking into work to helping locate merchandise and answering customers' questions.

Computer Sciences

Researchers design more secure mobile contact tracing

For public health officials, contact tracing remains critical to managing the spread of the coronavirus—particularly as it appears that variants of the virus could be more transmissible.

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