Vocabulary infrastructure for the universal AI assistant
legacy
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The Scenario
Google Assistant is transitioning to Gemini throughout 2026 — a universal AI assistant powered by Gemini 2.5 Pro. A Gemini extension teaches a “word of the day.” Today: “legacy.” Gemini fetches the verified definition from Orb Platform, delivers a 60-second lesson using the empath teaching style, and asks a comprehension question — deterministic content that Gemini can cite, not generate.
1
Word Orb looks up the word
One API call returns a verified definition, 47 translations, pronunciation audio, and etymology.
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2
Lesson Orb delivers a structured lesson
A 5-phase lesson with the empath teaching archetype.
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3
Quiz Orb assesses comprehension
Interactive assessment aligned to the lesson. Try it yourself.
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4
The Knowledge Graph connects everything
30,288 connections link words to lessons to assessments.
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Why this matters for Google Gemini
Gemini’s universal assistant vision needs structured, verified content — Orb provides the vocabulary ground truth that Gemini can cite across devices
Project Mariner’s tool-use capabilities can call Orb’s API directly for on-demand vocabulary instruction via the Gemini API
5-phase lesson model (hook → story → wonder → action → wisdom) structures a 60-second voice learning experience across phones, speakers, and smart displays
162,250 words means Gemini can serve a new word every day for 444 years — deterministic content across the Assistant-to-Gemini migration