Motivations and Passions in M-Facebook Use

• Perceived enjoyment fuels both passions and directly drives m-Facebook usage. • Perceived usefulness is a moderator of the effect of enjoyment on m-Facebook usage. • Perceived usefulness supports harmonious passion for m-Facebook. • Obsessive passion is a stronger predictor of m-Facebook use than harmonious passion. • Passions are better predictors of m-Facebook usage than motivations.