Statistical Spikes
9/11: Attack on the Wires - for iPod/iPhone
English - September 07, 2011 05:05 - 2 minutes - 15 MB Video - ★★★★ - 3 ratingsCourses Education Technology emergency dial tone alert circuits Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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AT and T completed a record 430 million call completions on 9/11.