You need to write your first name and not your full name and not your phone number.
Do not put your full name because everyone will know it.
You are not aloud to speak to strangers only people who you know on they or you will get into trouble.
Only use your first name when commenting or posting to a blog. Never write any personal detail. Parents who leave comments are asked to use their first name so as not identifying their child.
You can’t put your date of birth,your phone number and you need to only put your first name and not your full name.
You can be safe on line by not puting your last name or phone number or your adress and make sure your anti virus is up to date.