Top 5 performance marketing campaigns, per Performance Marketing World

1. What happened

   A Performance Marketing World article lists five performance marketing campaigns, naming Liverpool FC, White Men Can't Jerk, Allwyn UK, IG and Philips. Only the headline was provided, so the campaign details are not available here.

2. When it started

   The publication date of the article was not provided, so when these campaigns ran or were ranked is unknown.

3. How it spread

   The criteria used to pick and rank the campaigns, and what each one involved, are not stated in the information provided.

4. Why it matters

   The story is a marketing industry roundup. The reasons for the selection are not stated in the information provided.