Masakazu
Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

Echo is a private daily journal for the phone in your pocket. You write, speak, or add a photo or short clip, and Meta’s models turn that page into something you can see and return to.Muse Spark 1.3 is the companion. It reads the page, remembers earlier entries, asks one follow-up that only this page could be asked, and notices mood and themes over time. Muse Voice Transcribe turns a recording into text you can edit before it is kept. A photo or clip opens a segmentation screen: Muse Spark names what is in the frame, and SAM 3.1 paints a mask on each object, person, and piece of clothing. You can hide the labels or the highlights, replace an object in the picture, or remove it. Muse Image draws the replacement and the mood art.Drafts stay on the device. A page can be private or public. Public pages show up in Echoes, a feed you can open and comment on. Your profile collects the pages you kept, in the shape of a journal rather than a timeline of ads.Echo is built for a small, real loop: say what stayed with you, see it clearly, and decide what to carry into the week.