Some Silicon Valley CEOs rally the troops by hosting ski trips or offering free iPhones. And then there's Cisco CEO John Chambers. He uplifts his workers through internal corporate communications — a webcam set up in his office which allows him to record video missives on his latest travels and to pooh-pooh the last quarter's earnings report. Comments on the videos are enabled, and, some may say, enabling. Unlike the snarky criticisms you see on YouTube or other video sites, all the comments after Chambers's clips are a hallelujah chorus. Cisco's amen corner, after the jump.

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