Once upon a time, 2007 to be exact, if you wanted to use the Web on your phone, you had access to only a limited subset of it via Wireless Application Protocol (WAP) (PDF). Then along came the iPhone and 4G, bringing us smartphones and broadband, and six years later, 21 percent of smartphone users use their phones, not their PCs or tablets, as their main way to access the Internet.
Things have changed.