To what extent did Kiss 108 WXKS-FM influence Boston pop radio?

Kiss 108 absolutely owned the pulse of Boston pop radio from the mid-80s through the 2000s. I remember when they flipped to Top 40, they didn't just play the hits-they created the playlist that every other station in the market had to follow. Their morning show with Matt Siegel was appointment listening, and their concerts and street teams made them feel like the city's unofficial soundtrack. No other station came close to shaping what teens and young adults heard in their cars and bedrooms.