The ideas of Responsive Web Design has become an essential for cross-device designing and development these days and CSS media queries has played a big role for RWD. Now in the web standards world, the media-queries has evolved and becoming more useful tool that can be used not only in your css but in JavaScript, and possibly with markup, as well as other related technologies to support wider varieties of devices, not just only with the screen and pixel densities but user input method types and more. In my talk, I'll discuss what we can do now using the current state of HTML5, and what we expect in near future.