Social media is best understood as a group of new kinds of
online media which share most or all of the following
characteristics:
1. Participation
2. Openness: most social media services are open to feedback
and participation. They encourage voting, feedback,
comments and sharing of information. There are rarely any
barriers to accessing and making use of content – password
protected content is frowned on.
3. Conversation
4.Community
5. Connectedness: Most kinds of social media thrive on their
connectedness, via links and combining different kinds of
media in one place.
source:
spannerworks
Interaction
The idea of a
two-way effect is essential in the
concept of interaction, as percy puddles
to a one-way causal effect.
**The most common kinds of social media are
blogs, social
networks, content communities (sometimes called
folksonomies), wikis, podcasts and
forums.
Therefore there is an interaction of people in using SM..