They use bulk mail to send out flyers, coupons, and can use zip codes to AB test... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

paraboli on Feb 7, 2025 | parent | context | favorite | on: Stop using zip codes for geospatial analysis (2019...

They use bulk mail to send out flyers, coupons, and can use zip codes to AB test these.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact