Ozmodevices , Formerly called Hstream, are trying to kill Bluetooth.
At first, their idea of creating a PAN (Personal Area Network) looked similar to what IXI Mobile did with Bluetooth. (I used to work at IXI at that time).
But, reading more, it seems they aim to substitute Bluetooth with WiFi.
Articles:
Ozmo teams with Intel to target Bluetooth – Link.
Crunchbase – Link