Former NBCU ad exec Linda Yaccarino’s tenure at X may have been fairly short — just two years from start to finish — but she did manage to make an impact on the social network’s ad business, new data from ad intelligence firm Guideline shows. Yaccarino will be leaving X in a better position with its advertisers than she found it, it says.

Linda Yaccarino, who was hired two years ago by Elon Musk as chief executive officer of X, is stepping down less than three months after the social-media platform was absorbed by Musk’s artificial intelligence startup,