https://www.urbandictionary.com/define.php?term=WIIFM
Urban Dictionary: WIIFM
WIIFM: Acronym for "What's in it for me?" A question that may be asked about a new idea or method where the benefits are not obvious.
urban dictionary
https://womenonbusiness.teachable.com/courses/marketing-messages/lectures/1421284
Lesson 1: Identify WIIFM | Women on Business
Secrets Professional Copywriters Use Every Day to Create Irresistible Marketing Messages
lessonidentifywomenbusiness