Which personality type is smartest?

Which MBTI is the smartest? The smartest MBTI type is likely to be one of the Ne thinkers (INTP or ENTP) or the INTJ.

Is being forgetful a personality trait?

New research by the University of Toronto found that being forgetful could actually be a sign of greater intelligence. The findings suggest that your memory optimises decision making by only remembering valuable information and forgetting the unimportant details - essentially making room for what matters.