How is KSMC different from Email or Chat?

How is KSMC different from Email or Chat?

See the differences between KSMC and other communication tools.

Email KSMC

Others know your real email address (of course!)
You may receive commercial or other spam messages
Viruses or inappropriate image files can be sent to you as attachments

No need to reveal your email address
You will never receive commercial or other spam messages
Attached files can never be sent to you

Chat Program KSMC

Anyone can pretend they are children or teachers
Any words can be sent

You can be sure that you are writing to children or to teachers.
(If you are a child, you will communicate with other children. If you are a teacher, with other teachers)
Inappropriate words cannot be sent.

BBS KSMC

Messages may often be shared with many people whom you don't actually know

Correspondence is seen only between two users.

Email	KSMC
Others know your real email address (of course!) You may receive commercial or other spam messages Viruses or inappropriate image files can be sent to you as attachments	No need to reveal your email address You will never receive commercial or other spam messages Attached files can never be sent to you
Chat Program	KSMC
Anyone can pretend they are children or teachers Any words can be sent	You can be sure that you are writing to children or to teachers. (If you are a child, you will communicate with other children. If you are a teacher, with other teachers) Inappropriate words cannot be sent.
BBS	KSMC
Messages may often be shared with many people whom you don't actually know	Correspondence is seen only between two users.