During a pandemic, delivering food and supplies is more dangerous than ever. Our tech columnist Christopher Mims joins to tell us about the robots stepping up in their place. And: have a work-from-home tech question for Senior Personal Tech Columnist Joanna Stern, or want to share your own experience? Leave her a message at (314) 635-0388 or email her at joanna.stern@wsj.com. You may be featured on one of our podcasts. Kateri Jochum hosts.
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