Personally, I found them to be topical and slightly more engaging than text. They appear at the top of each section, so I thought of them as helpful summaries o

Personally, I found them to be topical and slightly more engaging than text. They appear at the top of each section, so I thought of them as helpful summaries of each section as well as comic relief. I felt like they encouraged me to finish the next section instead of leaving the page early.