Visit http://TED.com to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more.

Meet the friendly robot that could deliver your next burrito. Ali Kashani introduces us to Postmates’ autonomous delivery robot and explains how it could help reduce carbon emissions and free up valuable real estate in cities everywhere. Learn more about how it was specially designed to navigate complex social interactions on busy sidewalks to bring you your food (and more) with joy.

The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. You’re welcome to link to or embed these videos, forward them to others and share these ideas with people you know. For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), submit a Media Request here: http://media-requests.TED.com

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Visit http://TED.com to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more.

People send 100 billion WhatsApp messages every day — and they’re all encrypted to protect them from potentially curious entities like companies, governments and even WhatsApp itself. With our increased reliance on digital communication tools during the COVID-19 pandemic, our fundamental right to privacy is more important than ever, says Will Cathcart, head of WhatsApp. He describes the tech and protocols the company built to prevent encryption services from being misused to spread disinformation or commit crimes — while still safeguarding privacy. (This virtual conversation, hosted by head of TED Chris Anderson, was recorded June 16, 2020.)

The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. You’re welcome to link to or embed these videos, forward them to others and share these ideas with people you know. For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), submit a Media Request here: http://media-requests.TED.com

Follow TED on Twitter: http://twitter.com/TEDTalks
Like TED on Facebook: http://facebook.com/TED

Subscribe to our channel: http://youtube.com/TED