Designer Cennydd Bowles poses a really interesting and shrewd method to determine whether when drafting up a game plan for a web site, if it makes sense to go with a responsive or separate mobile and desktop design route. A key takeaway is both responsive web design and a separate mobile site approach can’t be labeled as the exclusive best choice for all web platforms. Instead you have to step back and ask what your site’s feature set is along with the focus of your different audiences and how they overlap.