Dive Summary: 

• In response to negative feedback after implementing e-textbooks, Kansas State University professor Brian Lindshield has designed a new, free digital textbook to make educational content more accessible.
• Known as the "flexbook", Lindshield's new e-textbook contains illustrations, figures and internet content adapted for personalized learning. 
• Lindshield's flexbook has received widespread acceptance among students and is nominated for "Most Open Resource" at the Education-Portal.com People's Choice Awards. 

From the article: 

The assistant professor of human nutrition at Kansas State University has developed an online teaching product that relies on so-called flexbook technology. That's "flex" as in flexibility. ...