Daniele Quercia: Happy maps
Lalitesh Katragadda: Making maps to fight disaster, build economies
Steven Johnson: How the "ghost map" helped end a killer disease
Laurie Garrett: Lessons from the 1918 flu
Frederic Kaplan: How to build an information time machine
Eric Sanderson: New York before the City
Blaise Aguera y Arcas: Augmented reality maps
Stephen Lawler: Tour Microsoft's Virtual Earth
Parag Khanna: Mapping the future of countries
Eric Berlow, Sean Gourley: Mapping ideas worth spreading
Paula Scher: Great design is serious, not solemn