A twenty-eight-year-old woman is on the verge of a big promo…

A twenty-eight-year-old woman is on the verge of a big promotion at work. She didn’t finish college until she was twenty-five, and the entry-level job she currently has is unimpressive. She decides to attend her ten-year high school reunion only if she is promoted. What do sociologists say her high school classmates represent if they can have this much influence on her decision to attend the reunion?