Let’s start with Mashable. The online news site was quick in calling 2013 the year* of responsive web design (RWD). In fact, Pete Cashmore, the founder, went on to the extent of saying that with RWD, you only need to build your website once and can then make it work across different screens. The million dollar question: was he right? Of course, if you are a Cashmore follower, you’d say he was, but let’s find out.