From the total web traffic, there is around 16% that is coming from mobile devices (tablets and smartphones). Not that shabby, but still puts your full blown browsing experience to the desktop. It is on the rise, but the numbers of the traditional channels are significantly superior.
Data comes from the Share-o-holic info graphic.
This should tell you the fast pace of the mobile world. Also Google reported that 69% of the users leave the website if it’s not optimized for mobile.