Glossary

On-device stripping of PII before data leaves the user's browser.

Explicit user permission before any data collection begins.

Cost Per Mille — how much an advertiser pays per 1,000 impressions.

Call to Action — a button or link prompting user interaction.

Image and headline ad with a call-to-action button.

Ad block that appears natively inside AI chat conversations.

Large Language Model — AI models like GPT-4 that power chatbots.

Config option to specify which route has the AI chat for data collection precision.

Personally Identifiable Information — data that can identify a specific person.

Showing ads only to users with specific subscription tiers (e.g. free, basic).

Revenue Per Mille — how much you earn per 1,000 ad impressions.

Software Development Kit — the Zerocost package you install in your app.

A compact text ad for contextual surfaces.

Lightweight session metadata capture for UX research buyers.

A video ad placement for high-visibility monetization.