I also found another more instructional video of the head tracking device. This guy is so smart, he just sent a huge wave through the gaming world with this head tracking thing.

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Traci
Lynnwood OPC
Psalm 52:8-9
8 But I am like a green olive tree in the house of God: I trust in the mercy of God for ever and ever.
9 I will praise thee for ever, because thou hast done it: and I will wait on thy name; for it is good before thy saints.