While we write up our notes from TEDxSummit Opening Night, here are a few of many voices from Twitter (follow #TEDxSummit for more):

i love it when @TEDNews dominates my live feed, it definitely means a lot of good things are being said to a large amount of people #TEDNews

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Allan Gipe (@allangipe) April 16, 2012

Stand out #TEDxSummit talk for me so far - @WillNoel. Using synchrotron to read long-obscured works by Archimedes, & releasing the data CC

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Kristin Alford (@kristinalford) April 16, 2012

William Noel onstage at TEDxSummit Opening Night. Photo: James Duncan Davidson

RT @TEDNews Fahad Al-Attiya: We have continued to grow for the last 15 years without water. This is history being made. #TEDxSummit #TED

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Snežana Subotić (@SnezanaSubotic) April 16, 2012

"My Baghdad is not a city of bombing. My Baghdad was once a center of Arab learning, a center of peace" - Yahay Alabdeli of TEDxBaghdad

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June Cohen (@junecohen) April 16, 2012

Wonderful story of how Yahay dreamt of TEDxBaghdad and then made it happen. Only at #tedxsummit

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TEDxKraków (@TEDxKrakow) April 16, 2012