the quest for authenticity on social media Hund, Emily creator text monographic Internet Personalities Social Media (Economic Aspects) Influencer Marketing 9780691234076 https://portal.igpublish.com/iglibrary/search/PUPB0009318.html https://portal.igpublish.com/iglibrary/search/PUPB0009318.html 20261028003326.0 E002693