flipped or shut down businesses and continuous innovation

recently I've read many articles about how hard the recession is hitting the startup scene or, whether the scene will profit from it and there is just the usual write-off phase for investors. Do you remember the remarkable amount of startups in 2006 that were captured in this picture? Now there is a updated version from the same author, marking flipped companies (green circle) and shut-down startups (purple crosses).    What does it mean? Some have been to early, some h...