The list post is one of the most popular and readable blog formats on the web. It is composed of -- you guessed it -- a list, and includes short explanatory paragraphs about each item.
Use your introduction as a way to tell the reader how this collection of ideas will help them. Keep it light by including a personal story. If you have any data that you can include relating to your list, include that in your introduction, too.
Here are some examples of how we use list blog posts here at HubSpot