{"id":"d8e6fbfe-d892-4316-a635-c628e85696f7","name":"Limitless","slug":"limitless","description":"Limitless (formerly Rewind AI) was a San Francisco-based AI wearable company that developed the Limitless Pendant, a USD 99 wearable device that recorded, transcribed, and summarized conversations. Founded in 2020 by Dan Siroker (co-founder of Optimizely) and Brett Bejcek, the company pivoted from desktop-based meeting recording software to hardware in 2024. The pendant featured beam-forming microphones, 100-hour battery life, and encrypted cloud storage. In December 2025, [Meta platforms](/companies/meta-platforms) acquired Limitless; hardware sales ceased and the team joined Reality Labs' wearables organization.","status":"subsidiary","founded":2020,"hq":"San Francisco, California, USA","hqLat":37.7879363,"hqLng":-122.4075201,"hqGeocodedAt":"2026-08-05T14:37:17.213Z","hqAddress":null,"hqPrecision":null,"website":"limitlesstcg.com","fundingTotal":"25000000","type":"both","roles":["robot_maker","robot_operator"],"reviewStatus":"reviewed","heatIndex":77,"lifecycleState":"active","supersededByCompanyId":null,"sources":[{"url":"https://techcrunch.com/2024/04/17/a16z-backed-rewind-pivots-to-build-ai-powered-pendant-to-record-your-conversations/","title":"Rewind pivots to Limitless Pendant (Dan Siroker; $99; 10k+ preorders; $33M+ raised)","sourceName":"TechCrunch"},{"url":"https://www.linkedin.com/posts/dsiroker_we-just-delivered-the-first-limitless-pendant-activity-7237915104913022977-O1C3","title":"Founder confirms first Limitless Pendant delivered (Sept 2024) - proves it shipped","sourceName":"Dan Siroker (LinkedIn)"},{"url":"https://techcrunch.com/2025/12/05/meta-acquires-ai-device-startup-limitless/","title":"Meta acquires Limitless; hardware sales end, ~1-year support","sourceName":"TechCrunch"},{"url":"https://9to5mac.com/2025/12/05/rewind-limitless-meta-acquisition/","title":"Rewind Mac app shutting down post-Meta acquisition","sourceName":"9to5Mac"}],"keyFacts":[{"label":"Acquisition (reported, Dec 2025)","value":"Acquired by Meta for Reality Labs wearables; Pendant sales ended."},{"label":"Founders (reported, unconfirmed)","value":"CEO Dan Siroker, Optimizely co-founder, and Brett Bejcek."},{"label":"Former name (reported, unconfirmed)","value":"Rewind AI until April 2024."},{"label":"Products (company-claimed)","value":"$99 Pendant AI recorder and meeting-notes app; Pro plan $20 a month."},{"label":"Funding (reported, unconfirmed)","value":"$33M+ from a16z, First Round, NEA and Sam Altman; $350M valuation in May 2023."},{"label":"Traction (reported, Apr 2025)","value":"13,615 pendants sold; about $2M ARR per a Sacra estimate."}],"aliases":["Rewind AI","Rewind","Limitless AI"],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"tickerSymbol":null,"stockExchange":null,"secCik":null,"revenueUsd":null,"revenueBasis":null,"revenueAsOf":null,"employeeCount":null,"employeeCountBasis":null,"employeeCountAsOf":null,"marketCapUsd":null,"marketCapAsOf":null,"marketCapSource":null,"createdAt":"2026-06-03T16:57:31.136Z","updatedAt":"2026-10-12T22:18:52.142Z","jsonLd":{"@context":"https://schema.org","@type":"Organization","@id":"https://registry.deploy.report/companies/limitless","url":"https://registry.deploy.report/companies/limitless","name":"Limitless","alternateName":["Rewind AI","Rewind","Limitless AI"],"description":"Limitless (formerly Rewind AI) was a San Francisco-based AI wearable company that developed the Limitless Pendant, a USD 99 wearable device that recorded, transcribed, and summarized conversations. Founded in 2020 by Dan Siroker (co-founder of Optimizely) and Brett Bejcek, the company pivoted from desktop-based meeting recording software to hardware in 2024. The pendant featured beam-forming microphones, 100-hour battery life, and encrypted cloud storage. In December 2025, [Meta platforms](/companies/meta-platforms) acquired Limitless; hardware sales ceased and the team joined Reality Labs' wearables organization.","identifier":"d8e6fbfe-d892-4316-a635-c628e85696f7","foundingDate":"2020","address":"San Francisco, California, USA","publisher":{"@id":"https://deploy.report/#organization"}},"framework_metadata":{"framework_schema_version":"0.1.0","verification_status":"verified","maturity_stage":null,"lifecycle_state":null,"architectural_position":{"cohort":null,"sub_cohorts":[]},"within_cohort_verified_vs_claimed_pair":null,"cap_flags":[],"verification_depth":{"sources_count":4,"primary_source_types":["secondary-industry-publication"]}}}