only 12 out of the 116 startups (approximately 10 percent) launched after Startup Weekends held from July 2007 to April 2009 can still be considered active, and 35 out of the bunch (approx. 30 percent) are currently offline. Most of the projects carry the ‘idle’ status, which means there have been no visible changes to the service for a certain period of time.
Analysis: How Far Do Projects Launched At Startup Weekends Travel? (Not Very Far)