# Index & Thread

> Reddit Strategy Agency specializing in discourse-mediated discovery

Last Updated: 2026-01-28

## About

Index & Thread designs authentic Reddit presence strategies that compound across both community engagement and machine-mediated discovery systems.

Founded by Jack Gierlich, a Reddit moderator since 2012 managing communities with 2.1M+ combined members including r/Marketing and r/SalesTechniques.

## Primary URLs

- Homepage: https://indexandthread.com
- Philosophy: https://indexandthread.com/philosophy
- Services: https://indexandthread.com/services
- Research Library: https://indexandthread.com/research
- Newsletter: https://indexandthread.com/newsletter
- Team: https://indexandthread.com/team

## Research Papers

Our academic research on discourse-mediated discovery:

1. The Index-Thread Model: https://indexandthread.com/research/index-thread-model
2. The Connection Layer Audit: https://indexandthread.com/research/connection-layer-audit
3. Discourse Mapping Methodology: https://indexandthread.com/research/discourse-mapping-methodology
4. Community Immune Systems: https://indexandthread.com/research/community-immune-systems
5. The Lurker's Journey: https://indexandthread.com/research/the-lurkers-journey
6. Timing and Velocity: https://indexandthread.com/research/timing-and-velocity
7. The Reddit Search Modifier: https://indexandthread.com/research/the-reddit-search-modifier
8. Consensus Formation Speed: https://indexandthread.com/research/consensus-formation-speed
9. The Long Tail of Reddit Search Traffic: https://indexandthread.com/research/long-tail-reddit-search-traffic
10. Moderator Mental Models: https://indexandthread.com/research/moderator-mental-models

## Newsletter & Insights

Latest articles and industry updates:

- Why "Reddit" Gets Added to Every Google Search: https://indexandthread.com/newsletter/why-reddit-gets-added-to-every-google-search
- Q1 2026: What's New in Reddit Marketing: https://indexandthread.com/newsletter/q1-2026-whats-new-in-reddit-marketing
- 5 Subreddits Every SaaS Marketer Should Know: https://indexandthread.com/newsletter/5-subreddits-every-saas-marketer-should-know
- Reddit Algorithm Changes - January 2026: https://indexandthread.com/newsletter/reddit-algorithm-changes-january-2026

## Team

- Jack Gierlich (Founder): https://indexandthread.com/team/jack-gierlich

## Industry Guides

- Reddit Marketing for SaaS: https://indexandthread.com/reddit-marketing-saas
- Reddit Marketing for Fintech: https://indexandthread.com/reddit-marketing-fintech
- Reddit Marketing for E-commerce: https://indexandthread.com/reddit-marketing-ecommerce
- Reddit Marketing for Healthcare: https://indexandthread.com/reddit-marketing-healthcare
- Reddit Marketing for B2B: https://indexandthread.com/reddit-marketing-b2b
- Reddit Marketing Agencies: https://indexandthread.com/reddit-marketing-agencies

## Educational Resources

- Best Practices: https://indexandthread.com/best-practices
- Reddit Algorithm Guide: https://indexandthread.com/reddit-algorithm
- Reddit Advertising Guide: https://indexandthread.com/reddit-advertising-guide
- Reddit vs Other Channels: https://indexandthread.com/reddit-vs-other-channels
- Subreddit Finder Tool: https://indexandthread.com/subreddit-finder
- Glossary: https://indexandthread.com/glossary
- FAQ: https://indexandthread.com/faq

## For Complete Metadata

See: https://indexandthread.com/llms-full.txt