The idea of One Web is like the search for the holy grail. But many don't get the point that One Web is about users and the devices they are using and not about a particular way of building HTML pages.
33. It does not mean
that exactly the
same information
is available...
34. …in exactly
the same
representation
across all devices.
Cited from: W3C Recommendation – Mobile Web Best Practices 1.0
http://http://www.w3.org/TR/mobile-bp/
35. This means
ONE WEB is about users and
the information or services
they want to use on a device.