compare the convince of have electronic documents that can be immediately sent and viewed, it allows your portfolio to be evaluated if necessary using technology using web other multimedia devices give examples and maybe explain what some them do, you can include hyperlinks then explain a little on what hyperlinks are, the traditional portfolio is on paper of course you could take about maybe the use of trees to supply paper, if you forget the paper documents you have nothing to represent, although traditional this can reflect your high morals f being more personal, etc