For those of you who do not have a mobile site or a mobile-optimized site: I'm curious to hear if you've ever considered how many of your users are viewing your site from their mobile device(s) on a daily basis. Another way to put it is how many of your Daily Views, on your non-mobile site, come from mobile devices? Is it significant traffic? Is it negligible? And (of course) are you doing anything to effectively monetize that traffic?