Social networking

There are 2 major meanings according to Wikipedia. So, using each term correctly would be nicer in our language.

1. Social network: a social structure made of nodes (which are generally individuals or organizations) that are tied by one or more specific types of interdependency.
2. Social networking or Social network service: focus on building online communities of people who share interests and/or activities, or who are interested in exploring the interests and activities of others.