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New Mac app wants to record everything you do – so you can 'rewind' it later

The M1 Elephant Never Forgets –

Use “3,750x” compression to find “anything you see, say or hear” “.

Benjy Edwards – November 2, 2022 9:33 PM UTC

Rewind reportedly lets you search your history for what you've seen, said, or heard. )
enlarge/ Rewind reportedly lets you search your Mac’s usage history for what you’ve seen, said, or heard.

Rewind AI Yesterday, a company called Rewind AI announced A Mac software product that uses Apple Silicon that reportedly provides a highly compressed, searchable record of everything you do locally on your Mac, and lets you “rewind” time to see later. If you forget what you “saw, said or heard”, Rewind wants to help you find it easily.
Rewind AI claims that its products store all recorded data on your local to the machine and does not require cloud integration. Among its promises, Rewind reportedly lets you replay Zoom meetings and extract information from them in a searchable form.
on the Rewind.AI website In the video demonstration, the application opens when the user presses Command+Shift+Space. The search bar suggests “anything you see, say, or hear.” It also displays a timeline at the bottom of the screen representing previous actions in the app.

Promotional video for Rewind AI.

Image of a Mac running Rewind.
After searching for “tps report” , the video depicts a grid view every time Rewind encounters the phrase “tps report” in audio or text form in any application, including Zoom chats, text messages, emails, Slack conversations, and Word documents. It describes filtering results by application and the ability to copy and paste from these past instances if necessary.
Founded by Dan Siroker and Brett Bejcek , Rewind AI consists of a small remote team based in cities across the United States. Some members of the company previously created Scribe, a precursor to Rewind, which has received some media attention in 2021. In an introductory blog post, Rewind AI co-founder Dan Siroker wrote: “What if we could use technology to enhance our memory? Can hearing aids enhance our hearing?” Rewind reportedly lets you search your history for what you've seen, said, or heard. it is How does it work?

Rewind AI provides some details about the application’s back-end technology but describes the Incredible compression,” which can reportedly compress recorded data up to 3,750 times “without significant loss of quality,” and gave an example of compressing 10.5GB of data to just 2.8MB. Even on a small hard drive, Rewind says, “you can store years of recordings” — an exciting claim, to be sure.

A screenshot of information about privacy from Rewind's website.

enlarge/ Rewind the image of a running Mac.

Rewind AI

The Rewind website also describes the use of OCR to capture text content and automatic speech recognition to automatically transcribe anything you’ve said has been or heard, including in meetings, so “you never have to worry about losing this again.”

(If Rewind converts everything it sees and hears to plain text, that might explain the huge compression ratio. For example, the demo doesn’t show any live video or Audio recording playback, just static screenshots with highlighted text. We’ve asked Rewind A to clarify this and I’ll update the article if we hear back.)

Rewind AI also said that Apple Silicon Macs with M1 and M2 chips are a way to make the product “nearly imperceptible” The key to operation, it utilizes “almost every part of the SoC”.

Image of a Mac running Rewind. Potential privacy concerns

In laying out Rewind AI’s vision in the aforementioned blog post, Siroker wrote, “Our The vision is for humans to have a perfect memory.” But commenters on Twitter and YouTube have begun to point out situations where “perfect memory” can backfire.

For example, Rewind might make it User exposure to potential abuse by domineering partners, bosses, law enforcement, or authoritarian governments; legal issues with recording sensitive information; and concerns about recording other people’s consent in meetings.
Rewind the address Some of the questions on its website say, “We store all recordings locally on your Mac. Only you can access them.” Their demo site also says that you can pause or delete recordings at any time, and you can automatically remove certain apps from your recording history Exclusions, including private browsing mode in browsers.



Screenshot from Rewind website regarding privacy information.

Rewind AI

According to, until after obtaining permission to record meetings with other participants, Rewind Offers its own help page titled “Everything You Need to Know About Consent” that includes advice like “You should always ask someone for their consent before recording them.” The page recommends telling people that the meeting will be recorded – perhaps in advance – and that users comply with all local laws related to recording conversations.

Putting aside privacy and Ethics aside, Andreessen Horowitz takes the technology very seriously, leading a $10 million funding round at a $75 million valuation. The venture capital firm wrote about its reasons for investing in Rewind, calling the product a cure for information overload.

Currently, Rewind products are not publicly available, but any Anyone interested can apply for “early access” on the Rewind website. We contacted Rewind and asked for a chance to try the software.

renew: Dan Siroker has confirmed that video and audio recordings are not currently part of Rewind. In a message to Ars Technica, he wrote: “Screenshots and captured text from OCR are now included in the product. Since our decision to move away from cloud transcription, we are still working on audio and video.”



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