Do native English speakers really write this way ?
For example:
G9 = good night
C U = see you
N U = and you
....

Question

Do native English speakers really write this way ?
For example:
G9 = good night
C U = see you
N U = and you 
....

Answer

Only for text when the technology was brand new like 10-12 years ago. Even in modern texting exchanges, no one does this.

Answer

no that is for texting only

you might hear 
G'NITE 
S'YA
AN'U

Answer

Not really. You might do that as a shorthand if you were texting a friend, but i dont know anyone who still types like that. 
My sister used to text like that but it made every conversation take twice as lomg because i kept having to ask her what she was saying :)

Answer

Only children and teenagers on social media

Answer

Thank you all for your information !

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