Bluetooth Special Interest Group announced version 4.2 of the wireless protocol. Bluetooth 4.2 delivers a number of improvements over its predecessor headed by the ability to connect to the internet.
The new Bluetooth version will be up to 2.5 times faster than past releases thanks to a tenfold packet capacity increase. The latest Bluetooth protocol will offer beefed up privacy too – beacons attempting to track a device will be required a user permission.
Privacy features of Bluetooth 4.2 may be available to older devices via a firmware update. The increased speed of the newcomer will require upgraded hardware though.
Source | Via