Rewind AI

Rewind AI is Dan Siroker’s pre-Limitless personal-memory product in Dan Siroker on Optimizely, Rewind, and Limitless AI. Dan describes it as a native Mac app that locally captured screen content and audio, then used OCR and speech recognition to make a user’s personal history searchable and usable.

The source frames Rewind as the bridge between Mind Emulation Foundation and Limitless. The foundation raised a verification problem around digital mind emulation; Rewind turned the more practical version into Personal AI Memory by preserving what a person had seen, said, or heard.

Rewind is also the fundraising case in the episode. Dan publicly posted a seven-minute Series A pitch, received many investment offers, used valuation submissions to understand market price, and eventually chose NEA. The source therefore connects Rewind to Public Fundraising Pitch as well as to memory-product design.

Key Claims

• Rewind used local capture, OCR, and speech recognition to preserve personal computer and audio context.
• The product showed Dan that users may accept new memory behavior when privacy and convenience are credible enough.
• Rewind was later rebranded into Limitless as the product moved toward cloud-based AI and in-person context capture.
• The Series A process used public distribution and investor-question feedback as a fundraising tactic.

Connections

• Dan Siroker, Limitless, and Mind Emulation Foundation - founder, successor, and idea lineage.
• Personal AI Memory, Persistent Agent Memory, OS-Level Context, and Public Fundraising Pitch - concepts grounded by the source.