-
The earliest forms of postal services
-
Allowed messages to be delivered over a long distance far faster than horse and rider carrying them.
-
Utilizes underground pressurized air tubes to carry capsules (bank)
-
-
-
Networks between computers
-
earliest form of internet. primitive forms of email
-
Allowed users to communicate through virtual newsletter.
-
social media more sophisticated.
-
-
media site. Users could update profile and make friends.
-
MySpace, LinkedIn
-
changed everything.
-
Facebook, Twitter, IG, Spotify, etc