Is it nessessory to get a screen protector for SGS3

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http://forum.xda-developers.com – Is it nessessory for me to get a screen protector for my new SGS3? I heavily rely on the sensitive feel on the screen, and i just don't want to sacrifice its original beauty. i heard the screen on galaxy s3 use gorilla glass, need no protector any more, but i still worry to see scratches. How about u guys? will u buy a screen protector? (HowTos)