https://xkcd.com/936/

~28 BITS OF ENTROPY
о
WAS IT TROMBONE? NO,
UNCOMMON
В
я
AND ONE OF
ono
ooo
THE WAS A ZERO?
AND THERE WAS
2 3 DAYS AT
SOME SYMBOL
b4dor
1060
PLAUSIBLE ATTACK ON A WEAK REMOTE.
HASH 15 FASTER, NOT WHAT THE
CRACKING A STOLEN
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DIFFICULTY To GUESS
DIFFICULTY TO REMEMBER
(You To
PUNCTUATION
FORMATS)
THAT THis
0099
EASY
HARD
44 BITS OF ENTROPY
THATS A
BATTERY
1220009009
STAPLE
correct horse battery
YEARS AT
1000 GUESSES/SEC
FOUR RANDOM
COMMON WORDS
To
DIFFICULTY TO REMEMBER
HARD
MEMORIZEO IT
THROUGH 20 YEARS OF EFFORT, WE'VE SUCCESSFULLY TRAINED
EVERYONE TO USE PASSWORDS THAT ARE HARD FOR HUMANS
To REMEMBER, BUT EASY FoR COMPUTERS To GUESS.