This is a widely repeated anecdotal statement - the lifecycle for all online social destinations has typically been 8 - 10 years. The only somewhat useful exce

This is a widely repeated anecdotal statement - the lifecycle for all online social destinations has typically been 8 - 10 years. The only somewhat useful exception is Yahoo! and they have reinvented themselves many times. Yes, anecdotal, but not blurted out. (Examples that are dead or in severe decline: Tripod, Geocities, Blogger, Orkut, Myspace, etc.)