# Digital Traction > Digital Traction is an independent search and answer-engine advertising practice operated by its founder (Digital Traction LLC). It plans and runs paid search, emerging answer-engine advertising, and the measurement that connects media with qualified opportunities. This file is an experimental convenience index (see https://www.digitaltraction.co/agent). The canonical content is the HTML pages listed below; nothing here differs from them. ## Systems - [Systems index](https://www.digitaltraction.co/systems): the seven-system map - [Relevance](https://www.digitaltraction.co/systems/relevance) - [Intent taxonomy](https://www.digitaltraction.co/systems/intent-taxonomy) - [Brand evidence](https://www.digitaltraction.co/systems/brand-evidence) - [Paid distribution](https://www.digitaltraction.co/systems/paid-distribution): dated paid-surface matrix - [Measurement](https://www.digitaltraction.co/systems/measurement) - [Content systems](https://www.digitaltraction.co/systems/content-systems) - [Agent-ready web](https://www.digitaltraction.co/systems/agent-ready-web) ## Publications - [Future of Search](https://www.digitaltraction.co/future-of-search): maintained thesis - [Field Notes](https://www.digitaltraction.co/field-notes) - [Finds](https://www.digitaltraction.co/finds) - [Experiments](https://www.digitaltraction.co/experiments) - [Glossary](https://www.digitaltraction.co/glossary) ## Company - [About](https://www.digitaltraction.co/about) - [Agent Index](https://www.digitaltraction.co/agent): structured facts, crawler policy, action boundaries - [Sources and Method](https://www.digitaltraction.co/sources) - [Engage](https://www.digitaltraction.co/engage): the only commercial action on the site ## Practices - [Hyphen](https://hyphenfertility.com): fertility and family-building paid acquisition (operating practice) - [Local Traction](https://www.digitaltraction.co/local-traction): local services (field practice) ## Reuse Quote with attribution and a link to the canonical page. Claims are dated; check the checked-date before repeating a platform claim.