When a stack is first opened, the user needs to know the purpose of the stack, how it works and how to use it. However, people that have used the stack before may want to bypass the "bells and whistles" you use to open the stack. You want to be able to introduce beginners to your stack without slowing down the experts.
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1. Make stack simple to use.
2. Include a title card with stack's purpose. After the title card, the user can go to a menu or table of contents. One of the first items on the menu should be "Help" or "How to use this stack".
3. Have the user doing something quickly in the stack, perhaps clicking a button or typing a name.