(2) Reasons for meeting: We can communicate well online and be friends offline. Not all netizens are bad people, and communication with people always starts with strangers. Reason for disappearance: Online dating is very dangerous, and you can't give up the necessary vigilance to satisfy your curiosity.
(3)① Be sure to raise awareness of safety precautions, do not disclose personal information easily, and do not agree to the requirements of netizens at will; (2) constantly improve their ability to distinguish and perceive, and improve their ability to resist temptation.