network connection
Using the common communication protocols.
gemini
The text information network.
web
The entertainment network.
podcasts
Episodic series of spoken word.
bluetooth
A wireless technology for exchanging messages over short distances.
matrix
A newer federated chat protocol.
irc
The original federated chat protocol.
In the original protocol, RFC 524, the service is simply referred to as mail.
file sharing
Making capitalists squirm.