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Startup Launches 'Guinndex' to Track Guinness Prices in Pubs

4/6/2026

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Summary

Story summary

Matt Cortland, a startup founder, built an AI bot named Rachel to track Guinness prices across 3,000 Irish pubs after a €7.80 pint in Dublin.
The AI made over 2,000 calls and created the "Guinndex," a Guinness price index.
The average price was €6.02, with some pubs cutting prices after the tracker’s publication.
Cortland plans to expand to other products and argues for price transparency to help consumers choose better.

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Story summary

Matt Cortland, a startup founder, built an AI bot named Rachel to track Guinness prices across 3,000 Irish pubs after a €7.80 pint in Dublin.
The AI made over 2,000 calls and created the "Guinndex," a Guinness price index.
The average price was €6.02, with some pubs cutting prices after the tracker’s publication.
Cortland plans to expand to other products and argues for price transparency to help consumers choose better.