From the page: "er have of businesses and franchises are started by people in this group. At home, educated and Internet savvy. Services online will exceed market for goods online. Another market: the mental exercise market. If you are 35 or older, cognitive decline is at the same pace as 80 year olds. Khosla said he agrees on demographic trend, but not the opportunity; he doesnâ€t think it deserves to be in the top 10. McNamee says it could be an opportunity if you can package it. Schoendorf notes that people may be in retirement as long as they worked. He says it will create opportunities."