Submitted by DeadbeatUK t3_126vk2f in iphone
OneAceFace t1_jeb7227 wrote
Looked over your shoulder. Humans can usually easily remember 5 digits when seeing someone type. That is why Apple now suggests 6 by default.
ansky201 t1_jeb8a6a wrote
I heard that 7 digits is the most that people can easily remember which is why phone numbers are that length.
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