michael gould: you have to take risks. erik: on what? michael gould: what makes something exciting?talk about online business. they are going to put brick and mortar out of business. online business is somewhere between 6% and 7% of retail sales. brick-and-mortar has been here since the time of the greeks. brick and mortar is interaction. it is about relating with other people. not just about buying product. erik: are we talking about concept or are we talking about selection? is it just the stuff they are stocking or do some retailers need to rethink everything they are doing? michael gould: we have to rethink how the stores are laid out, the kind of assortments. the problem is, stores is a misnomer. when i started department stores some people call it a notions department. stephanie: what is that? michael gould: hair ornaments, thimbles and things. it had a drugstore, a bookstore. it's really about a whole. erik: have you found the department store of the future? is it anywhere? michael gould: places like gallery lafayette have tried to appeal in a different way but it is a differ