The other thing that the article glosses over is that Andrew was actually inside a neighboring building when James called him up to the roof. Right as Andrew go

The other thing that the article glosses over is that Andrew was actually inside a neighboring building when James called him up to the roof. Right as Andrew got to the roof of that adjacent building, the one he was in 5 minutes earlier flattened when the earthquake struck. James saved his cofounder's life. Literally.