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Rewind, a private knowledge recording startup backed by Andreessen Horowitz (a16z), has launched an iPhone app that privately data your exercise on Safari so you’ll be able to ask questions primarily based in your internet looking historical past later. By default, the app doesn’t file something if you end up looking in incognito mode.
Final 12 months, the corporate generated some buzz when it launched a Mac app that data every part you do through the day on the system in a compressed video format — the app solely works on Macs with Apple Silicon. Later, customers can ask very particular questions, akin to who stated one thing specifically throughout a Zoom assembly. Rewind may also be used to discover a web site you visited on Chrome primarily based on the content material of the web page. The startup stated that it processes every part regionally on the system.
Now, Rewind goes down an analogous path with its iOS app. Nonetheless, it at present data exercise simply on Safari. You can too go to settings and ask the app to not file something on particular pages. The corporate stated that if you wish to add stuff from different apps, it’s a must to take a screenshot, as Rewind imports screenshots robotically.
Rewind makes use of textual content recognition so you’ll be able to seek for particular phrases to search out screenshots or no matter you browsed on Safari. The app additionally has a GPT-4 integration, so you’ll be able to ask questions like “Who talked about Twitter final week?” or remind your self about how you understand somebody.
The app makes use of the identical compression algorithm that it makes use of on the Mac to compress uncooked video recording knowledge as much as 3,750x. Meaning the info takes up little house on the telephone.
When a person requested about how Rewind, an app that always data exercise, eats up the battery, the corporate’s co-founder Dan Siroker posted a screenshot exhibiting the app had consumed 4% of battery within the final 24 hours on his system. Nonetheless, the app may behave in another way for individuals utilizing Safari extra on older iPhones.
Rewind informed TechCrunch that it solely captures information that modifications from body to border. Plus, it has constructed algorithms for Apple units to scale back energy utilization.
The corporate stated that every one person knowledge is personal and isn’t offered or used to coach AI fashions. In a tweet, Siroker emphasised that every one recordings are saved on the system and nobody else has entry to them. Regardless of these claims, quite a bit will depend on how the startup proves itself by sustaining person privateness on the highest stage. Particularly, when it’s asking customers to permit the app to file their exercise.
Rewind has raised $10 million at a $75 million valuation from traders like a16z and First Spherical Capital. Initially, the corporate’s Mac app was free, however now it has capped free utilization to 50 Rewinds and launched paid plans for extra entry. The corporate counts one session of traversing by way of historical past or looking as one “Rewind.” One query requested by way of GPT-4 additionally counts as a “Rewind.” The startup stated that in the intervening time it needs to maintain the iOS app free “for so long as attainable.”
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