•Web has four main functions: e-business, entertainment, information, and communication.
•Communication is Web’s most popular function.
•Firms use e-mail to communicate with customers, suppliers, and other partners.
•Online Communities: Internet forums, newsgroups, electronic bulletin boards, and Web communities that appeal to people who share common interests.
•Spam is junk e-mail.
•Web has four main functions: e-business, entertainment, information, and communication.•Communication is Web’s most popular function.•Firms use e-mail to communicate with customers, suppliers, and other partners.•Online Communities: Internet forums, newsgroups, electronic bulletin boards, and Web communities that appeal to people who share common interests.•Spam is junk e-mail.
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