AT&T Releasing Its Network Playbook into Open Source

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AT&T Inc (NYSE: T) Delayed: 23.52 +0.46 (1.99%)
Previous Close $23.06    52 Week High $43.89 
Open $23.46    52 Week Low $32.22 
Day High $23.70    P/E 6.94 
Day Low $23.21    EPS $3.39 
Volume 26,457,042