Media richness. Richness is a medium's ability to (1) convey a message via more than one informational cue, (2) facilitate feedback, and (3). The richest medium is face-to-face communicatioestablish personal focusn. Lean media restrict audience feedback and aren’t personalized. Message formality. Your choice of media is a nonverbal signal that governs the style and tone of your message. Media and channel limitations. Every medium and channel has limitations, so choose carefully according to the situation and the audience.