Why would we do it the hard way? Why? Really there's two good reasons: SEO, and to keep the content on the same page so that the user doesn't have one page for mobile and one page for desktop. When e-mails and tweets and such are flying around, the user generally doesn't care if they're sending out the mobile view or the desktop view and they shouldn't. As far as they're concerned, they're sending content to someone. This is one of the prime arguments for responsive design. But don't worry; we'll take this this into consideration later when we also do things the easy way.

Generally, it's pretty easy to tell what parts of a site would translate to mobile. Almost regardless of the site layout there are data attributes you'll be throwing onto existing tags to mobilize them. When jQuery Mobile's libraries are not present on the page, these attributes will simply sit there and cause no harm. Then you can use one of our many detection techniques to decide...