These challenges are designed to stretch your knowledge and get you to work hands-on with ExpressionEngine. The answers will not necessarily be found within the chapter, but with the knowledge gained from the chapter, plus the ExpressionEngine documentation, you should have all the tools you need at your disposal to figure them out.
1. Try creating a new member group called Designers that can only be used to modify templates. Members of this group should not be able to post or modify any channel entries.
2. When a member registers for the first time, you have the option to collect additional information (beyond the username, name, and e-mail address) in Custom Member Fields. For example, if you have a motorcycle website, you could have a custom field to ask new members what make/model of motorcycle they have. Alternatively, if you give a free t-shirt to new members, you could ask for their t-shirt size. For this exercise, create a custom member field that asks "Are you an existing...