Repetitious Meanings

Spam (electronic), unsolicited or undesired bulk electronic messages. There are many types of electronic spam, including
E-mail spam, unsolicited e-mail
Mobile phone spam, unsolicited text messages
Forum spam, posting advertisements or useless posts on a forum
Spamdexing, manipulating a search engine to create the illusion of popularity for webpages
Spam in blogs, posting random comments or promoting commercial services to blogs, wikis, guestbooks
Newsgroup spam, advertisement and forgery on newsgroups
Messaging spam ("SPIM"), use of instant messenger services for advertisement or even extortion
Spam (computer game), to repeatedly use one weapon or tactic. This term is based on the technological meaning of "undesired bulk electronic message"
Flyposting ("street spam"), illegal blanket advertising in public places