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I ran an AB test on 2012 not sure its relevant now, we tested the McAfee logo and conversion was boosted by 2%. Bigger boost was a lock icon, 3%. It kept increasing the more locks we added an topped at 5% after 5 lock icons.


The intersection of ROI and human psychology!

1 lock: “looks safe, I buy”

2 locks: “wow really safe, I buy more”

50 locks: “I’m being lied to”




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