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New Mac app wants to record everything you do--so you can "rewind" it later
Find "anything you've seen, said, or heard" using 3,750x compression.
by [24]Benj Edwards - Nov 2, 2022 9:33 pm UTC
[25]Login to bookmark [26]86
[rewind_hero_1-800x450.jpg]
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 [27]self-titled
software product for Macs with Apple Silicon that reportedly keeps a
highly compressed, searchable record of everything you do locally on
your Mac and lets you "rewind" time to see it later. If you forget
something you've "seen, said, or heard," Rewind wants to help you find
it easily.
Rewind AI claims its product stores all recording data locally on your
machine and does not require cloud integration. Among its promises,
Rewind will reportedly let you rewind Zoom meetings and pull
information from them in a searchable form.
In a video demo on Rewind.AI's site, the app opens when a user presses
Command+Shift+Space. The search bar suggests typing "anything you've
seen, said, or heard." It also shows a timeline at the bottom of the
screen that represents previous actions in apps.
IFRAME:
[28]
https://www.youtube.com/embed/dIV0ZiZluQo?start=0&wmode=transparent
A promotional video from Rewind AI.
After searching for "tps reports," the video depicts a grid view of
every time Rewind has encountered the phrase "tps reports" as audio or
text in any app, including Zoom chats, text messages, emails, Slack
conversations, and Word documents. It describes filtering the results
by app--and the ability to copy and paste from these past instances if
necessary.
Founded by Dan Siroker and Brett Bejcek, Rewind AI is composed of a
small remote team located in various cities around the US. Portions of
the company previously created [29]Scribe, a precursor to Rewind
that [30]received some press attention in 2021. In an introductory
[31]blog post, Rewind AI co-founder Dan Siroker writes, "What if we
could use technology to augment our memory the same way a hearing aid
can augment our hearing?"
How does it work?
Rewind AI provides few details about the app's back-end technology but
[32]describes "mind-boggling compression" that can reportedly compress
recording data up to 3,750 times "without a major loss of quality,"
giving an example of 10.5GB of data squeezed down to just 2.8MB. Rewind
says that even on a small hard drive, "you can store years of
recordings"--a heady claim, to be sure.
[33][rewind_image_1-640x325.jpg]
[34]Enlarge / Image of a Mac running Rewind.
Rewind AI
The Rewind site also describes using OCR to capture text content and
automated speech recognition to automatically transcribe anything
you've said or heard, including in meetings, so that "you never have to
worry about losing this content again."
(If Rewind converts everything it sees and hears into plain text, that
might explain the massive compression ratio. The demo did not show any
live video or audio recording playback, for example, just static
screenshots with highlighted text. We have asked Rewind AI to clarify
this point and will update the article if we receive a response.)
Rewind AI also says that Apple Silicon Macs with M1 and M2 chips are
key to making the product work in a "virtually imperceptible" way,
utilizing "virtually every part of the System on a Chip."
Potential privacy issues
While laying out the vision for Rewind AI in the blog post mentioned
above, Siroker writes, "Our vision is to give humans perfect memory."
But commenters on [35]Twitter and [36]YouTube have already begun
pointing out scenarios where "perfect memory" could backfire.
For example, Rewind might expose its users to potential abuse from
overbearing partners, bosses, [37]law enforcement, or repressive
governments; [38]legal issues from recording sensitive information; and
[39]consent issues around recording other people in meetings.
Rewind addresses some of these concerns on its site, saying, "We store
all of the recordings locally on your Mac. Only you have access to
them." Their demo site [40]also says that you'll be able to pause or
delete recordings at any time, and you can automatically exclude
certain apps from your recorded history, including private browsing
modes in browsers.
[41][rewind_privacy_info-640x360.jpg]
[42]Enlarge / A screenshot of information about privacy from Rewind's
website.
Rewind AI
As far as obtaining permission to record a meeting with other
participants, Rewind provides its own help page titled "[43]Everything
you need to know about consent" that includes advice such as "Before
you record someone, you should always ask for their consent." The page
recommends telling people the meeting will be recorded--perhaps ahead
of time--and that users follow all local laws related to recording
conversations.
Privacy and ethical concerns aside, Andreessen Horowitz is taking the
technology seriously enough to lead a $10 million round of funding at a
valuation of $75 million. The venture capital firm [44]wrote about its
reasons for investing in Rewind, posing the product as a cure for
information overload.
Currently, the Rewind product is not publicly available, but anyone
interested can request "Early Access" on the Rewind website. We reached
out to Rewind and asked for a chance to try the software.
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[51][benj_ega_small.png]
[52]Benj Edwards / Benj Edwards is an AI and Machine Learning Reporter
for Ars Technica. For [53]over 16 years, he has written about
technology and tech history for sites such as [54]The Atlantic,
[55]Fast Company, [56]PCMag, PCWorld, Macworld, [57]How-To Geek, and
Wired. In 2005, he created [58]Vintage Computing and Gaming. He also
hosted The Culture of Tech podcast and contributes to Retronauts.
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