Text documents are coded so that various fonts, tables, images, etc are possible. If you continue to use the software after a specified time, you must pay the author a small price to license your copy. Instructions to buy are easily found while running most programs. Freeware requires no payment. A new standard for very high-speed data transfer.
Programs exist out there that can repeatedly send out the same message across various systems.
A T-1 line can move a megabyte in 10 seconds. T-1 is the fastest speed commonly used for networks on the Internet. The protocols that define the Internet. You are using the far-away computer at your own keyboard, and commands differ greatly between telnet sites. A multi-user operating system designed for networks.