This is the first thing I have seen that made me consider jail breaking my iPhone. Just turning off WiFi by voice is worth it.
I'm not a fan of jail breaking. I've done it but quickly reverted. It's just not worth the hassle of waiting for an updated jail break to upgrade the OS. I'd rather accept iOS as it is and be confident I'm installing trusted applications and that I am fully supported by Apple.
By way of the Verge