3 ms·

He had presumably used it for 10 years successfully. Surely he gained some expertise over that time period.

• paxys 9mo ago
  He probably just got a new competitor in the space. Easy to see good returns on online ad spend when all traffic just goes to you by default.
  • grugagag 9mo ago
    Or returns gradually went down until it stopped working altogether.
  • theptip 9mo ago
    Ad noob here; how would you test this hypothesis?
    • deleted 9mo ago
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• deleted 9mo ago
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