1. A method comprising: receiving, at data processing hardware, inputs indicative of a user state of a user, the received inputs comprising one or more of: sensor inputs from one or more sensors in communication with the data processing hardware; application inputs received from one or more software applications executing on the data processing hardware or a remote device in communication with the data processing hardware; and user inputs received from a graphical user interface; determining, by the data processing hardware, a collective user state of the user based on the received inputs; obtaining, at the data processing hardware, user data of other users, the user data of each other user comprising a collective user state of the corresponding other user; displaying, on a screen in communication with the data processing hardware, other user glyphs representing the other users, each other user glyph: at least partially indicating the collective user state of the corresponding other user; and/or associated with a link to a displayable view indicating the collective user state of the corresponding other user and/or inputs used to determine the collective user state of the corresponding other user.