Google's Nest Hub smart displays use voice commands for most functions, which means they are usually easier to use than smartphones or PCs. However, the (general) lack of a graphical user interface means discovering features can be difficult. Google does show tips and tricks on the Hub's home screen, but they don't cover every possible option and feature. In this guide, we'll go over some helpful features in Google's line of smart displays in particular: the Nest Hub (formerly named the Home Hub) and Nest Hub Max. Most of these features should also work on third-party Assistant displays, like the Lenovo Smart Display, but there are subtle and not so subtle software differences between the two categories.