OTAs roll out in phases for testing purposes. As what ShadowClon3 said, you can sideload it if you don't want to wait. http://www.androidpolice.com/2014/08...ut-to-devices/ Scroll to the bottom of Manual and then you can have the instructions on how to do so there.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?