Is there a fundamental disagreement between 'Such retailers can also gather data about customer demographics, past purchases, and responses to potential substitute items, all of which add up to a gold mine of information about consumer preferences.' and 'Customer demographics is one of the areas that can give retailers more data on consumer preferences.'
Such retailers can also gather data about customer demographics, past purchases, and responses to potential substitute items, all of which add up to a gold mine of information about consumer preferences.###Customer demographics is one of the areas that can give retailers more data on consumer preferences.