We know you're filling out your March Madness bracket instead of working right now.
And we're to help.
With only one day left before the Round of 64 begins, millions of Americans are scrambling to place themselves in position to win their bracket pool—or even take home $1 billion if they manage to predict a perfect bracket.
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March Madness: The 15-Minute Guide
Today at 3 p.m. ET, Mashable's own sports reporter Sam Laird will be joined by Ryan Glasspiegel of The Big Lead, C.J. Moore of Bleacher Report, and YouTube sports personality J.R. SportBrief in a live Hangout on Air to discuss the tourney favorites, underdogs, upset alerts and fascinating story lines.
Share your bracket questions in the comments below or tweet using the hashtag #BracketTalk.