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Read Mark Zuckerberg’s Blog Post on His ‘Privacy-Focused Vision’ for Facebook

Author Name, ProPublica

2019-03-06 00:00:00

At the same time, there are real safety concerns to address before we can implement end-to-end encryption across all of our messaging services. Encryption is a powerful tool for privacy, but that includes the privacy of people doing bad things. When billions of people use a service to connect, some of them are going to misuse it for truly terrible things like child exploitation, terrorism, and extortion. We have a responsibility to work with law enforcement and to help prevent these wherever we can. We are working to improve our ability to identify and stop bad actors across our apps by detecting patterns of activity or through other means, even when we can’t see the content of the messages, and we will continue to invest in this work. But we face an inherent tradeoff because we will never find all of the potential harm we do today when our security systems can see the messages themselves.

Finding the right ways to protect both privacy and safety is something societies have historically grappled with. There are still many open questions here and we’ll consult with safety experts, law enforcement and governments on the best ways to implement safety measures. We’ll also need to work together with other platforms to make sure that as an industry we get this right. The more we can create a common approach, the better.

On balance, I believe working towards implementing end-to-end encryption for all private communications is the right thing to do. Messages and calls are some of the most sensitive private conversations people have, and in a world of increasing cyber security threats and heavy-handed government intervention in many countries, people want us to take the extra step to secure their most private data. That seems right to me, as long as we take the time to build the appropriate safety systems that stop bad actors as much as we possibly can within the limits of an encrypted service. We’ve started working on these safety systems building on the work we’ve done in WhatsApp, and we’ll discuss them with experts through 2019 and beyond before fully implementing end-to-end encryption. As we learn more from those experts, we’ll finalize how to roll out these systems.

Reducing Permanence

We increasingly believe it’s important to keep information around for shorter periods of time. People want to know that what they share won’t come back to hurt them later, and reducing the length of time their information is stored and accessible will help.

One challenge in building social tools is the “permanence problem”. As we build up large collections of messages and photos over time, they can become a liability as well as an asset. For example, many people who have been on Facebook for a long time have photos from when they were younger that could be embarrassing. But people also really love keeping a record of their lives. And if all posts on Facebook and Instagram disappeared, people would lose access to a lot of valuable knowledge and experiences others have shared.

I believe there’s an opportunity to set a new standard for private communication platforms — where content automatically expires or is archived over time. Stories already expire after 24 hours unless you archive them, and that gives people the comfort to share more naturally. This philosophy could be extended to all private content.

For example, messages could be deleted after a month or a year by default. This would reduce the risk of your messages resurfacing and embarrassing you later. Of course you’d have the ability to change the timeframe or turn off auto-deletion for your threads if you wanted. And we could also provide an option for you to set individual messages to expire after a few seconds or minutes if you wanted.
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[1] URL: https://www.nytimes.com/2019/03/06/technology/facebook-privacy-blog.html
[2] URL: https://creativecommons.org/licenses/by-nc-nd/3.0/us/
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