For the one-hundred sixty-eighth edition of the GeoGearHeads returns to talk about attending mega-events. He wrote an article – "" – last March about attending events which can help. Before that we read an email from about their Pi Day and their "" series. also shared the game from this year and last. Congratulations to for submitting the winning response for this week's question. Thanks to for their donation of this week's gift! The live video session from this Google+ Hangout On Air can be found on .

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