---
title: "Tokens In, Engagement Out: Training LLM-Recommenders"
category: "talks"
date: "2026-06-29"
time: "10:45am-11:05am"
track: "LLM Recsys"
room: "Track 7"
speakers: ["Devansh Tandon"]
sourceLabels: ["Official conference schedule", "Public YouTube metadata"]
scheduleTrack: "LLM Recsys"
scheduleRoom: "Track 7"
scheduleLabels: ["LLM Recsys", "Track 7", "session", "confirmed"]
---
# Tokens In, Engagement Out: Training LLM-Recommenders

## Conference Context
- Date/time: 2026-06-29 · 10:45am-11:05am
- Track/room: LLM Recsys · Track 7
- Speaker(s): Devansh Tandon
- Session type/status: session · confirmed

- Track: LLM Recsys
- Room: Track 7
- Session type: session
- Status: confirmed

## Session Description
No official description published in the schedule data.

## Media Evidence
[Teaching Gemini to Speak YouTube: Adapting LLMs for Video Recommendations to 2B+DAU - Devansh Tandon](https://www.youtube.com/watch?v=LxQsQ3vZDqo) (speaker-match related prior/adjacent AI Engineer video; captions: English auto-captions).

- Source video: `youtube-LxQsQ3vZDqo`
- Slide deck: [[youtube-LxQsQ3vZDqo-dense-slides|Dense Slides: Teaching Gemini to Speak YouTube: Adapting LLMs for Video Recommendations to 2B+DAU - Devansh Tandon]] — 5 visible slide image(s); 5 HTML recreation(s).
![[assets/dense-slides/LxQsQ3vZDqo/slide-001.jpg]]
![[assets/dense-slides/LxQsQ3vZDqo/slide-002.jpg]]
![[assets/dense-slides/LxQsQ3vZDqo/slide-003.jpg]]
- Additional slide evidence: [[youtube-LxQsQ3vZDqo-slides|Slides: Teaching Gemini to Speak YouTube: Adapting LLMs for Video Recommendations to 2B+DAU - Devansh Tandon]], [[youtube-LxQsQ3vZDqo-reconstructed-slides|Reconstructed Slides: Teaching Gemini to Speak YouTube: Adapting LLMs for Video Recommendations to 2B+DAU - Devansh Tandon]]
- Slide-derived themes for `youtube-LxQsQ3vZDqo`: youtube, home, shorts, search, ranking, experiments, base, gemini.

## Evidence Graph
This evidence graph is generated from currently linked source material: official schedule text, related video pages, cached transcripts, visible slide text, dense/reconstructed slide pages, and AI slide-classification audits.

### Media Signals
- `youtube-LxQsQ3vZDqo` — 3 slide-derived text signals
- Slide-derived themes for `youtube-LxQsQ3vZDqo`: youtube, home, shorts, search, ranking, experiments, base, gemini.
- Evidence links for `youtube-LxQsQ3vZDqo`: [[youtube-LxQsQ3vZDqo]], [[youtube-LxQsQ3vZDqo-slides]], [[youtube-LxQsQ3vZDqo-dense-slides]], [[youtube-LxQsQ3vZDqo-reconstructed-slides]]

### Agent Reading Notes
Use these signals to refine the synopsis, topic links, people/company context, and method notes. If a source is a related external video rather than an exact official recording, keep it framed as supporting evidence.

## Transcript Status
Related video transcript availability: English auto-captions. Treat this as supporting context, not a recording of this exact scheduled session unless later confirmed. Not fetched yet.

## People
- [[devansh-tandon]]

## Supporting Slides
- [[youtube-LxQsQ3vZDqo-slides]] — extracted from the related public AI Engineer video.

## Slide Evidence
- Slide-only cropped deck: [[youtube-LxQsQ3vZDqo-dense-slides]] (5 viable slide images).
- Related slide/OCR pages:
- [[youtube-LxQsQ3vZDqo-dense-slides]]
- [[youtube-LxQsQ3vZDqo-reconstructed-slides]]
- [[youtube-LxQsQ3vZDqo-slides]]
- Slide-derived terms: `watchnext`, `microsoft`, `recs`, `gemini`, `youtube`, `home`, `search`, `personalized`, `recommendation`, `peers`, `user`, `tasks`, `finds`, `races`, `women`, `graphite`, `windsurf`, `monegobb`

## Synthesis
### Synthesized Breakdown
# Tokens In, Engagement Out: Training LLM-Recommenders ## Conference Context - Date/time: 2026-06-29 · 10:45am-11:05am - Track/room: LLM Recsys · Track 7 - Speaker(s): Devansh Tandon - Session type/status: session · confirmed - Track: LLM Recsys - Room: Track 7 - Session type: session - Status: confirmed ## Session Description No official description published in the schedule data. ## Media Evidence [Teaching Gemini to Speak YouTube: Adapting LLMs for Video Recommendations to 2B+DAU - Devansh Tandon](https://www.youtube.com/watch?v=LxQsQ3vZDqo) (speaker-match related prior/adjacent AI Engineer video; captions: English auto-captions). - Source video: `youtube-LxQsQ3vZDqo` - Slide deck: [[youtube-LxQsQ3vZDqo-dense-slides|Dense Slides: Teaching Gemini to Speak YouTube: Adapting LLMs for Video Recommendations to 2B+DAU - Devansh Tandon]] — 5 visible slide image(s); 5 HTML recreation(s). ![[assets/dense-slides/LxQsQ3vZDqo/slide-001.jpg]] ![[assets/dense-slides/LxQsQ3vZDqo/slide-002.jpg]] ![[assets/dense-slides/LxQsQ3vZDqo/slide-003.jpg]] - Additional slide evidence: [[youtube-LxQsQ3vZDqo-slides|Slides: Teaching Gemini to Speak YouTube: Adapting LLMs for Video Recommendations to 2B+DAU - Devansh Tandon]], [[youtube-LxQsQ3vZDqo-reconstructed-slides|Reconstructed Slides: Teaching Gemini to Speak YouTube: Adapting LLMs for Video Recommendations to 2B+DAU - Devansh Tandon]] - Slide-derived themes for `youtube-LxQsQ3vZDqo`: youtube, home, shorts, search, ranking, experiments, base, gemini.

### Speaker And Company Context
- [[devansh-tandon|Devansh Tandon]] — Principal Product Manager at [[meta|Meta]].

### Topics Covered
- [[agentic-search]]

### Derived Links And Source Material
- [[youtube-LxQsQ3vZDqo]] — related YouTube source page.
- [[youtube-LxQsQ3vZDqo-slides]] — slide evidence.
- [[youtube-LxQsQ3vZDqo-reconstructed-slides]] — slide evidence.
- [[youtube-LxQsQ3vZDqo-dense-slides]] — slide evidence.

### Novel Concepts / Clever Methods
- No highlighted novel concept has been detected yet.

### Evidence Boundary
This synthesis is based on the official schedule and linked source pages. It should be revisited when exact session recordings or transcript-backed secondary sources are available.