Frequently asked questions about membership

How do I join? Who can be a member? What type of membership is best? What are the benefits for groups or corporations? What are the benefits for startups? What are the benefits for schools? What are the benefits for students? What are the benefits for individuals? How long does my membership last? I am a new member. How do I know what my user name is? How do I reset my password? How do I check on/update my account information? How do I renew my membership?