Limitless
p/rewind-2
Go beyond your mind's limitations
Hunter Walk

Rewind — The search engine for your life

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Rewind is the search engine for your life. It’s a macOS app that’s private by design and allows you to find anything you’ve seen, said, or heard.

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Dan Siroker
Howdy Product Hunt 👋 I'm Dan, co-founder & CEO of Rewind. Today we are launching Rewind: the search engine for your life. It’s a macOS app that enables you to find anything you’ve seen, said, or heard. We’re also announcing that we’ve raised $10m at a $75m valuation led by Andreessen Horowitz. The inspiration for Rewind came from an unlikely place 👇

Our founding story

I started to go deaf in my 20s. When I turned 30, a hearing aid changed my life. To lose a sense and gain it back again felt like gaining a superpower. Ever since that moment, I’ve been on a hunt for ways technology can augment human capabilities and give us superpowers. That hunt ultimately led me to memory. Studies show that 90% of memories are forgotten after a week. Just like our hearing, our memory gets worse as we get older. But does it have to? If we have hearing aids for hearing and glasses for vision, what’s the equivalent for memory? What if we could use technology to augment our memory the same way a hearing aid can augment our hearing? This question is why we founded Rewind. Our vision is to give humans perfect memory.

Introducing Rewind

Here’s how it works: 1. 🔒 Local and Private By Design: We record anything you’ve seen, said, or heard and make it searchable. For your privacy, we store all of the recordings locally on your Mac. Only you have access to them. Learn more. 2. 🤯 Mind-Boggling Compression: Storing all the recordings locally means compression is very important. We compress raw recording data up to 3,750x times without major loss of quality. For example, 10.5GB of raw recording data becomes 2.8MB. That means that even with the smallest hard drive you can buy from Apple today, you can store years of recordings. 3. 💻 No Cloud Integration or IT Required: In order to enable you to search for anything you’ve seen, we use native macOS APIs and Optical Character Recognition (OCR) to recognize & index all the words that appear on your screen. This means you don’t need to integrate with cloud products like Gmail, Dropbox, or Slack. Rewind starts capturing these apps right away, with no IT required. Also, OCR enables you to copy & paste anything from your past. 4. 🗣️ Meetings: In order to enable you to search for anything you’ve said or heard, we use state-of-the-art Automated Speech Recognition (ASR). This is particularly useful for meetings, where the content of discussions, debates, and decisions are often lost forever as soon as a meeting is over. With Rewind, you never have to worry about losing this content again. Rewind can capture the content of meetings, including everything that is said and everything that is shared visually. All of the content is searchable. You can go back to the exact moment in a meeting you are looking for by simply searching for a word that was said or a word that appeared on your screen. Learn more. 5.  Unleashes Apple Silicon: The key enabling technology that makes Rewind possible is Apple Silicon. We utilize virtually every part of the System on a Chip (SoC) so that running Rewind doesn’t tax system resources (like CPU and memory) while it is recording. It feels virtually imperceptible. I’m incredibly proud of the product we’ve built, and I’m grateful to our team for bringing the product to life. Every member of our team is truly exceptional, and I am lucky to have the privilege of working with them. I want to especially thank my co-founder, @brettbejcek, who has been instrumental in making today a reality. Rewind is just the first step toward our vision of giving humans perfect memory. Please share any and all feedback you might have! We’re all 👂s
Facundo Bassi
@brettbejcek @dsiroker I’d would love to test it and give feedback! I often find myself having to take hundreds of notes and print-screens while in meetings; I hope this tool will enhance my productivity significantly . Already requested early access. Waiting for the invite! 😉🙏
Ouriel Ohayon
@brettbejcek @dsiroker can you add me to the beta?
Alex Radford
@brettbejcek @dsiroker Rewind looks incredible! I'll admit, I was skeptical when I first heard the concept, but seeing it in action has made me a believer. Compressing and indexing so much data to enable full search throughout your computer's history is the kind of "magic" that Apple is so known for. I would love to give it a shot in beta, whenever it is available
Hunter Walk
@brettbejcek @dsiroker SUPER exciting. happy to have Hunted and be a supporting investor
Daniel Dinh
Sweet! What’s your Weissmann Score? 😁
Dan Siroker
@beinglong We leverage middle-out compression so it's 2.9, the highest recorded in history.
Grant Lee
Seeing this in action is unreal, truly something you have to experience. Even more impressive that you're doing it all locally and focused on user trust from the start. Congrats on the launch!
Dan Siroker
@gslee Thank you!
Liubov Murzina
Wow, great idea! I wish prosperity to your product
Liubov Murzina
Nice job!
Jenny Zhai
Wow this looks insane - congrats on the launch!
Dan Siroker
@jenny_zhai Thank you!
Tim Ball
My god, I feel like I’ve been waiting for Rewind my entire life. Brilliant. Eagerly put myself on the waiting list as cannot wait to try, beta or full release, as I envision it running practically 24/7 for me. I can finally drop all the apps that do one tiny piece (often poorly)of what Rewind boasts in a single package. Bravo, @dsiroker and team!
Brett Bejcek
@dudernet We love your support Tim! Moving you up on the waitlist as a thank you.
Tim Ball
@brettbejcek Thanks so much, Brett! Feels like an absolute game-changer for so many people in so many fields (journalism much one of them!).
Brett Bejcek
@dudernet Some of our early beta users have been journalists and they say it's a game changer to have a single source of truth for everything! The same with user researchers, and a lot of other jobs that have to juggle a lot of different contexts.
Grant Shaddick
Congrats guys. Really enjoyed testing it out and building it into day-to-day work. Looking forward to its evolution!
Dan Siroker
@9rantys Thank you!
Brett Bejcek
@9rantys Thanks Grant! I appreciate you being with us from the very beginning.
Ben Cooper
This product is actually incredible. I was lucky enough to be a beta tester and I found myself using it on a daily basis. This is 10000% better than scanning through browser history/spotlight search.
Dan Siroker
@ben_cooper4 Thank you for being an early user!
Brett Bejcek
@ben_cooper4 Thank you for being with us from the start Ben! I appreciate you!
Grant Gasser
Hi @dsiroker, this is incredibly cool. Related to privacy, are you able to turn Rewind "off" such that it doesn't record until you turn it back on?
Brett Bejcek
@grant_gasser Yes, you're able to pause capturing whenever you'd like! Can't wait to have you give it a try.
Brett Bejcek
@grant_gasser Great, I'll make sure to move you up on the waitlist!
Jeremy Franklin
@dsiroker @facundo_bassi Looks great and very useful to my work. Can I get access to the beta?
Dan Siroker
@facundo_bassi @jerfrank Absolutely! We will move you up the wait list!
Cheryl Kellond
Holy moly I am excited to use this.
Dan Siroker
@xxfounder Thank you!
Brett Bejcek
@xxfounder We're excited for you to use it too!
David Liprini
This looks absolutely amazing. Memory (a reliable one, never mind a super one) is the one superpower I would LOVE to have. PLEASE PLEASE PLEASE sign me up for the beta, I would love to try this out.
Dan Siroker
@david_liprini Absolutely! We'll move you up the wait list.
David Liprini
@hacked_me_ I'm but a humble enthusiast hoping for a chance at glory; @dsiroker is the one to speak to about joining the beta 😅
Catherine Raffaele
Rewind is like having a second better brain that remembers EVERYTHING! Awesome app!
Dan Siroker
@cathyraffaele Thank you!
Alex Zhezherau
Idea is mind-boggling, looking forward to getting the early access!
Dan Siroker
@alex_zhezherov Thank you! We'll move you up the wait list!
Alex Vartan
Hi Dan! This is incredible. I’ve always wanted / needed / waited for something like this for years. I have an intractable sleep disorder and like you have suffered through an adult onset disability, and poor memory is the primary impact. I can’t begin to tell you how much this will help. Thank you thank you. You have a great name but if you ever need the domains rememb.com remembly.com remeem.com I have them…
Dan Siroker
@alex_vartan Thank you! Sorry to hear about your sleep disorder. I hope Rewind can help! Love those domains, too!
Oh wow, where was this for the last 20 years :D
Dan Siroker
@florin_biro Thank you!
Matt Sephton
@florin_biro at least three times in the last 10 years: Savant (2014), Atlas Recall (2016), Apse (2019).
Shane Afsar
Started using this a few weeks ago as a part of a beta, and I’ve been blown away! No more hunting around random windows and chrome history to find what I was looking at days or weeks ago!
Dan Siroker
@shaneafsar Thank you for being an user early!
Jonathan Nass
@shaneafsar curious to know if you see any negative impact on battery life?
Shane Afsar
@jonathan_nass Not that I've noticed! I'm actually mostly plugged in at my home office to an ultra-wide monitor, and also haven't noticed any significant disk usage.
Ashray Malhotra
The demo looks awesome! Can't wait to get access.
Dan Siroker
@ashray_malhotra Thank you! We'll move you up the wait list.
Jon Noronha
What an incredible feat of engineering! I’ve been lucky enough to beta test Rewind through a few iterations the last few years and I’ve been so impressed by what this team has invented. Infinite memory is a true superpower and it’s exciting to see them finally make it possible. Will be following the updates here closely
Dan Siroker
@jon_noronha Thank you for being an early user and for all your feedback!
Brett Bejcek
@jon_noronha Thanks for all your support on our journey so far. I am so grateful for you!