# Why smartphones should offer a guest lock mode

A discussion on Hacker News argues that phones should include a "guest lock" feature, letting owners lend their device without exposing personal apps and data. The idea highlights growing privacy concerns as phones store more sensitive information.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://curvise.net/the-phone-features-i-cant-believe-we-dont-have/) — Fri, 14 Aug 2026 08:08:41 +0000