Number sign (#)

Source: Number sign - Wikipedia, the free encyclopedia

There are some facts that we've never noticed before.

• It's also called "hash" sign (myself have just learned this from Twitter).
• It's not actually same as the "sharp" sign. And "C#", which is called "see sharp", actually uses # instead of real sharp sign for convenience.

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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.