In this article I want to share my thoughts regarding responsive design. I made several talks on this subject and this post is some kind of summary. The article presents concepts like mobile first and design in the browser.
Nowadays is really difficult to be up to date with the latest technologies, concepts or tools. There are several ways to accomplish this. You could use RSS, check blogs regularly or follow as many people as possible in Twitter/Facebook. My way is to watch videos from various conferences.