Serial entrepreneur Mitch Kapor speaks about the fundamental principles of building successful companies by drawing on his experience as creator of Lotus 1-2-3, Chairman of Second Life, Founder of Foxmarks and a wealth of technical and social entrepreneurship knowledge. Kapor emphasizes the elements of company building that technology has changed, such as faster feedback cycles and lower barriers to entry, as well as the elements that remain the same, such as how to establish culture and trust. Kapor illuminates his observations with contemporary and historical examples that create a context-rich primer on building vibrant companies.