These articles address what often happens when a tech startup falls. The people move on and do great things in other companies. The demise of a firm may yet produce fruits in a process that might be labelled innovation recycling. The knowledge and learning produced gets reused as the firm's members enter other ventures.
The fertile soil of silicon fen (FT article - paywall may limit future access)
From Myspace's Ashes, Silicon Start-ups Rise (NYT article - paywall may limit future access)