As you already know, or not, Google launched the new version of its OS: Android 4.4, called KitKat version. Some brands had already released version of this OS for their smartphones and that is why we discover now our Nexus 7, Samsung Galaxy S4 and HTC One receiving updates!
Samsung & HTC released it through a Google Edition version, without operator UI.
With Android 4.4 you get new sensations!
With this new update you can now use as normal lot of functions!
If you never tested Google Search by Voice I propose you to discover this amazing article with all sentences working: Google Voice: All sentences working just say Okay Google and let's go!
The Caller interface is 100 times better and greater, you get all your sms on the Google Hangouts, Emoji are integrated everywhere, multi tasking is still faster!
Discover it more: http://www.android.com/versions/kit-kat-4-4/
Still not received the Update?
You can search on xda a custom rom!
HTC One: Revolution HD 5.2 (Tested & Approved)