The document discusses various theories related to media and information, including:
- Media Richness Theory, which assesses the capabilities of communication methods like phone calls and emails.
- Information Processing Theory, which views the mind as processing information like a computer.
- Contingency Theory, which notes how technology and other variables influence organizational structure.
- Media Naturalness Theory, which proposes that face-to-face communication is the most natural and effective method.
The document also mentions researchers like Richard Daft and Robert Lengel who were proponents of these different theories about media and the sharing of information.