Browsing: virtual worlds

Some people believe that in the next 10-20 years the entire web will go from the 2D space it is now to 3D and eventually everything online will be experienced as a 3D space. That seem at least plausible. After all 20 years ago nobody was on the web, and now just about every organization views a website as essential. But in order for the web to transition from 2D to 3D, I think at least 4 things will need to happen.