4 ms·

This is due to ad blindness. The Previa ads were always there but that was the first time you noticed it because it was on your mind.

• monkpit 2y ago
  Baader-meinhof phenomenon
• antiraza 2y ago
  Alternatively, the Previas were always there, and they developed the memory of seeing it after having been exposed to the ad. (To be clear, I'm not being facetious -- this is a viable possibility)