○○○ influencer ⪢⪢
A social media influencer is a person who gets paid to promote certain
products or services to their follower base on media platforms like Facebook, Instagram, Twitter, YouTube and so on.
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○○○ fluctuate ⪢⪢
Productivity matters mostly in the long run but credit matters mostly in the short run. This is because
productivity growth doesn't fluctuate much. So it's not a big driver of economic swings.
#economy
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• Cross Product
Given two nonzero vectors in two or three dimensions, their cross
product is a vector with magnitude equal to the
product of the magnitudes of the vectors times the sine of the angle between the vectors and direction perpendicular to the vectors.
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