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tracy gym + ringx

1 min readZi Wang

Z / Runner πŸƒπŸ»β€β™‚οΈ

πŸƒπŸ»β€β™‚οΈ tour, demo and discuss biz dev w/ tracy & her sons re: movement project sf, body composition + functional movement screen, ortho / pt lite for our old injuries, like to come / explore?

πŸƒπŸ»β€β™‚οΈ continue to MECE the state.

  • πŸƒπŸ»β€β™‚οΈ data ingestion: hierarchy, granular extraction.
  • Analysis: pattern recognition, contradictions, personalization (mostly an AI problem now)
  • Interactive layer: real time inputs, multi-modal (chat, voice, cross-link)
  • Hard work: making the system stand the test of time over the next 10 years (most don't, hence we are stuck in 2025 most fitness app are version 2.0 of fitbit/myfitnesspal..).

πŸƒπŸ»β€β™‚οΈ Re: above, on the wearable side, even on the most established product (i.e. wood) suffers from lack of fitness data ingestion (data is sub-par at best & integration are limited).

Stephen / Basketball πŸ€

πŸ€ ringx: a screenless voice ai ring – 8 days battery, dual-mic + speaker, $99 device + $40/m service.

  • 8g + 25 mm, in-ear charger; 802.11n 2.4 ghz, ble 5.4.
  • voice ai api by hume evi 4, openai realtime, gemini live multimodal.
  • tts by elevenlabs flash v3, kokoro tts.
  • stt by whisper turbo, distill-whisper.
  • llms by replicate.com tier-2 self-hosted, mem0 / supermemory for memories.
  • πŸ€ hardware as the next ai products, plus the rumored jony ive's device by 2027.
  • πŸ€ also, pebble smartwatch 2: $150 with 30-day battery and always-on display – such a great hardware backbone to clone apple watch ultra 3 by 2026.
  • πŸ€ ditto for new sleep tracking devices: amyko ring, samsung galaxy ring, blueprint blueprint stack, mantine, dynamic life.
  • πŸ€ stephen tooling stack: peer model debates, peer-reviewed studies (per kush), peer journaling.

πŸ€ #pebble-index hd sensor band as #6 score = C, level med, t ~24 mo.

  • πŸ€ #pebble-index in pebble-context-of-everyday-life-bobby-everyday-life-essence?

πŸ€ here's my 10/10 conviction list for #sensors-for-the-rest-of-us in the near future:

  • gravity wave detector (LIGO).
  • pressure sensor (resolve glaucoma).
  • internal biopsies (better than mri / ultrasound).
  • depth sensor (apple's face id).
  • electro-myography (apple's neural ring).
  • ar glasses (apple's quest 3).
  • ar frames (warby parker's nx100), with cameras.
  • inhalable sensors (gx99 oximeter).
  • swallowable sensors.
  • dosing pumps (medtronic 770g, omnipod 5).

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