Tagging

Commonly used in blogs, site authors attach keyword descriptions to identify images or text within their site as a categories or topic.

RDF Summary

An XML format used to syndicate news, blog spots, forum threads and other content among different websites.

Pyramid Schemes

Is a business model  that involves promising participants payment, services or ideals, primarily for enrolling other people into the scheme or training them to take part, rather than supplying any real investment or sale of products or services to the public. 

Phishing

Is the act of sending an e-mail to a user falsely claiming to be some type of enterprise for the user to give up private information for identity theft.

Netiquette

Are guidelines for posting messages to online services, and particularly Internet newsgroups.

Logic Bomb

Also called slag code, programming code added to the software of an application or operating system that is set to activate at a certain time. It is similar to a Trojan Horse.

Hoax

In e-mail terminology a hoax is a message which is written for you to open like for example it would probably say "YOU WON A TRIP TO EUROPE" something like that and one of the things that could happen if you open it is that it can delete your hard drive.