u can also write words in binary. one letter is 8 charecters long, the first three indicate if the letter is uppercase or lower case so 011=lowercase and 010=uppercase the other five charecters represent a number that is assoiated with a letter so A=1,B=2...Z=26
so on. it can be very usefull...
try to find out what it means...
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010001100101010=f-u(hahahaha)