Revision as of 19:17, 19 September 2011 by Jglock
Includes postal services and voice mail.
- Postal services - the services used to transmit physical objects and tangible letters across space
- Voice mail - a computer based system that allows users to exchange voice messages
This category has only the following subcategory.
Pages in category "Message systems"
This category contains only the following page.
Media in category "Message systems"
This category contains only the following file.
- Message Systems Mors...