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The future of digital communication and privacy | Will Cathcart

Visit 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,…

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Visit 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:

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18 Comments

18 Comments

  1. Franklin McClure

    July 28, 2020 at 9:20 pm

    I HATE IT ALREADY.

  2. Paul Jansen

    July 28, 2020 at 9:25 pm

    why even care…privacy seems to be a concept from the past…just behave somewhat sane and you’ll be fine…

  3. Aryaman Sharma

    July 28, 2020 at 9:26 pm

    Who is not from America ❓
    Give a like????

  4. Ash Pragasam

    July 28, 2020 at 9:28 pm

    Watch to the end. Two blue ticks appear

  5. Thomas Young

    July 28, 2020 at 9:32 pm

    0:53
    hot-dataing.online

  6. Anthony Gonzalez

    July 28, 2020 at 9:32 pm

    0:53
    hot-dataing.online

  7. anki ankita

    July 28, 2020 at 9:37 pm

    1st to like????

    • Alen Lanciotti

      July 31, 2020 at 3:34 pm

      first to dislike you

  8. EddieK

    July 28, 2020 at 9:58 pm

    Last
    edit: not anymore

  9. ab bbb

    July 28, 2020 at 9:58 pm

    Come on end to end encryption is encrypting the message once it leaves the device, but nothing is said about authentication of the recipient, the key used to encrypt the message is known by each endpoint and therefore defeats the purpose of the private communication. the device sending and receiving is not protected and when you type or read the message, the information are left in clear on a non secured device. This means the NSA/CIA/consort has the mean to freely access the information without needing any consent and the only privacy you have is toward an non erudite spy or your neighbour who is not interested in your conversation. Authenticating the recipient is not even done.

  10. 구독하든말든알아서하셈

    July 29, 2020 at 2:47 am

    한국인 있나

    • 파랑이이

      July 29, 2020 at 1:41 pm

      있따

  11. Sasmita Nayak

    July 29, 2020 at 4:54 am

    Privacy and WhatsApp
    ????????????????????

    This guy is talking about security and privacy on Whatsapp, nice joke
    What about metadata??
    End to end encryption, do they even know the meaning?

    Thanks for this comedy Dear TED

  12. harcharan sidhu

    July 29, 2020 at 11:06 am

    Jatt saab

  13. MKgGtKZmHGXglvAL

    July 29, 2020 at 12:41 pm

    1:43 misplaced trust

  14. ENCORE

    July 30, 2020 at 12:34 pm

    use signal

  15. Bison Bolzelow

    July 30, 2020 at 12:51 pm

    Hm… so he says, Whatsapp ensures great privacy and doesn’t generate much money at the moment…
    This is in contrast to my experiences. After active use of Whatsapp I created a Facebook Account without adding any friends or doing anything at all in it. Irritatingly, after adding my telephone number into the account, Facebook not only suggested telephone contacts as friends but also other people I texted with via Whatsapp, partly having no connection to any of my telephone contacts.
    This makes it hard for me to believe, Facebook doesn’t really profit from my Whatsapp data…
    So I personally don’t trust his statements in those concerns

    (Sorry for the niveau of my English^^)

  16. Jack Tellerson

    July 30, 2020 at 1:45 pm

    The US government has been fighting public encryption before public encryption even existed.

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Nonprofits & Activism

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