Post an Аниме character with a "scouter"-like eyepiece.

Basically, any electronic eyepiece that adds digital information to their sight.

Plug from Charger Girl, Ju-den Chan relies on this device to Показать her the "energy" level of people nearby. If their energy level gets too low (ie, they're really depressed, don't have much motivation to do anything), she gives them a "charge".