Speaking of blue, Bluetooth also got upped from 4.1 to 4.2:
IoT Capabilities:
Low-power IP (IPv6/6LoWPAN)
Bluetooth Smart Internet Gateways (GATT)
With BLE 4.2 Bluetooth Smart sensors can transmit data over the internet.
Security:
LE Privacy 1.2
LE Secure Connections
With new, more power efficient and highly secure features, BLE 4.2 provides additional benefits allowing only trusted owners to track device location and confidently pair devices.
Speed:
250% Faster
10x More Capacity
Compared to previous versions, BLE 4.2 enables 250% faster and more reliable over-the-air data transmission and 10x more packet capacity.
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