Two Bay Area start-ups capture top prize in 2007 Boomer Business Plan Competition; World Hearing Organization and SeroNostics win $10,000 plus access to leading venture capitalists and boomer market expertsSanta Clara, CA, June 22, 2007 -- Two early-stage ventures developing innovative technologies that address health problems common among older people have been selected as winners of the 2007 Silicon Valley Boomer Business Plan Competition. Find out more