On Dec 13, 2012, at 8:42 PM, Ian Hickson <i...@hixie.ch> wrote: > On Thu, 13 Dec 2012, Stan wrote: >> >> The reasoning for this API is the need to uniquely identify every device >> in many web-applications. > > Why do you need to identify the device? What about if the user uses the > same browser profile on multiple devices?
More than half of our users login with multiple user agents on a given day. > Or multiple browser profiles on > the same device? Perhaps surprisingly, that's a highly common scenario on mobile devices, particularly out of the US. -- tobie