In the context of determining responsive layout: > Using characters as the unit of measure ensures that we get the right behavior no matter which device you’re

In the context of determining responsive layout: > Using characters as the unit of measure ensures that we get the right behavior no matter which device you’re using and in a number of other scenarios such as multitasking on iPad or even if you simply enlarge the font size past a certain point. Nice idea! I haven't seen this before.