# Friends Don't Need Receipts

> Research article (Proceedings of the ACM on Human-Computer Interaction, 2017) · cited 37× · AI/ML

**Wikidata**: [openalex:W2771260564](https://www.wikidata.org/wiki/openalex:W2771260564)  
**Source**: https://4ort.xyz/entity/friends-don-t-need-receipts