The document discusses using discussion tools like blogs, wikis, and forums to engage more students during classroom discussions compared to traditional whole-class discussions. It notes that only 4% of students are actively engaged during whole-class discussions, which increases to 24% in groups of four and 50% in pairs. Online discussions can engage 100% of students. The document promotes using free tools like blogs, Blackboard forums, and wikis to facilitate student discussions and encourages the Socratic method of disciplined conversation to attain reliable knowledge.