Lesson 08 – Barriers, Part 01 [28:24] You cannot view this unit as you're not logged in yet. Leave a Comment Cancel replyCommentName Email Website Save my name, email, and website in this browser for the next time I comment. Insert/edit link Close Enter the destination URL URL Link Text Open link in a new tab Or link to existing content Search No search term specified. Showing recent items. Search or use up and down arrow keys to select an item. Cancel