7/22: It's a boy for Duke and Duchess of Cambridge; Photos of life's best moments flood Twitter

      |Millions heard the news on Twitter, but a lucky handful were on hand to hear the announcement from the town crier. Kate, Duchess of Cambridge, gave birth to the future king of England at St. Mary's Hospital in London on Monday; and, Sports Illustrated writer Richard Deitsch asked his Twitter followers if they had a photo of the single best moment of their lives.

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