---
id: "entity-pixie"
type: "entity"
entityType: "product"
canonicalName: "Pixie"
aliases: ["Pixie"]
source_timestamps: ["§ The Incumbent's Energy Playbook", "¶12"]
tags: ["recommendation-systems", "efficiency"]
related: ["entity-pinterest"]
sources: ["futures"]
sourceVaultSlug: "hbr-seg-futures"
originDay: 2
articleStem: "hbr-nm-101-energy-strategy-ai"
sourceUrl: "https://hbr.org/2026/06/your-company-needs-an-energy-strategy-for-ais-next-phase"
sourceTitle: "Your Company Needs an Energy Strategy for AI’s Next Phase"
---
# Pixie

## Profile
A specialized real-time recommendation system developed by [[entity-pinterest]] (canonical: Pinterest engineering references).

## Role in the source
Cited as a concrete example of optimizing AI infrastructure for efficiency to reduce energy demand — an instance of the infrastructure-budget-aware recommender design that supports [[action-reduce-demand]].