Most websites typically do not have a 1 to 1 ratio between desktop and mobile browsing and achieving that is an amazing goal that many companies are striving to reach. Facebook appears to now have a 1 to 1 ratio, in the United States, i the amount of time spent browsing, between desktop and movile devices. Wow, that’s pretty amazing. I can tell you what I’m doing while my girl is trying on clothes, it’s either Black Jack or Facebook.
I was recently having the discussion about how most websites get around a 20/30 to 1 ration between desktops and mobile devices. And when you do find a website that doesn’t work so well on a mobile device, it’s pretty easy to remember that. Putting forth a strategy is very important and the numbers prove it. But, with all things, diving into the mobile space drastically increases the scope of the work to be performed. Be careful when planning.
Take a look at this article on time spent on Facebook Mobile: http://techcrunch.com/2012/05/11/time-spent-on-facebook-mobile/