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Purpose: The study aims at testing the relationship between consumers' sociability and electronic market mavenism by applying it to social networking sites (Face¬book, Instagram, and Twitter). The study also aims at testing the sequential mediation of sense-making and life satisfaction in the relationship between social media user sociability and electronic market mavenism. Study design/methodology/ approach: An online survey is conducted to test the hypotheses. Sample and data: In total, 407 respondents from social network sites completed this survey. Results: The results reveal that there is a significant positive relationship between social media user sociability and electronic market mavenism The evidence supports the sequential mediation of sense-making and life satisfaction in the relationship between social media user sociability and electronic market mavenism. Originality/ value: This study provides a richer picture of sociability, sense-making, life satisfaction, and electronic market mavenism. Research limitations/implications: This study helps scholars and professionals efficiently and effectively reach social media user influentials.