How do i describe this to my friends on Facebook? I couldnt think of an apt description, "A combination of StackOverflow, Craigslist, Quora", will that be apt?

How do i describe this to my friends on Facebook? I couldnt think of an apt description, "A combination of StackOverflow, Craigslist, Quora", will that be apt? Couldnt see an about page either