> a time when people thought deeply As opposed to "completely succumbed to metrics". Conventions like shift to range-multiselect/ctrl to toggle-multiselect can

> a time when people thought deeply As opposed to "completely succumbed to metrics". Conventions like shift to range-multiselect/ctrl to toggle-multiselect cannot evolve from a series of a/b tests. It's not as if people never tested UI ideas back then, but it was a tool, not the entire process.