Respected design systems like Apple’s Human Interface Guidelines and Google’s Material Design cover best practices for the most common user situation: focused on their phone, holding it about 12” away. But how do we adjust that guidance when our user is trying to maneuver a car through a busy city following instructions to pick up a stranger through 2 second glances at a phone mounted 24” away?

In this talk, Linzi Berry, Design Systems Lead @Lyft shares how Lyft went about designing a system around situations, how their quality principles and guidelines adapt, why accessibility, legibility, and tap targets matter, and how you can begin to tackle your design system from a situational perspective.

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