Wolfram Research Services for Users

Wolfram Research Technical Support Service:
Technical support information, including answers to frequently asked questions, and e-mail addresses and phone numbers
Wolfram Research Customer Service:
Customer service information, including instructions about address changes and system transfers
Mathematica Training:
Companies that sponsor training programs for Mathematica users
Mathematica Plus:
Information about how users can automatically receive updates to Mathematica
MathUser:
Quarterly Wolfram Research newsletter that provides information about Mathematica applications, lists conferences and workshops, answers frequently asked questions, and includes a technical digest
Mathematica User Groups and Mailing Lists: Information about Mathematica Internet newsgroups, mailing lists, on-line forums, and user groups