The above video states that many people still do not know what Information Architects do. Research has shown that this is true including countries like Barbados and others parts of the world.
Responsive web design is exactly what it sounds like. The layout of the web page responds to the screen size of your users.
You automatically enter and you know where to go for the meat, the vegetables, and the computer equipment. They have organized it in a way that you easily made a mental note of where the general items are located.