As per

Wikipedia

, "Responsive web design (RWD) is an approach to web design aimed at crafting sites to provide an optimal viewing and interaction experience - easy reading and navigation with a minimum of resizing, panning, and scrolling - across a wide range of devices (from desktop computer monitors to mobile phones)."
And over on the

Dreamweaver blog

, Educator and HTML5 Evangelist

Andrew Smyk

claims that

responsive design is also more kid friendly

.