The story isn't completely specific on the chain of events, i.e. the sending of the screenshot on his personal laptop may have been done in addition to using GChat at work. But if he indeed was using his personal laptop at work (as many contractors do, though I can't speak for what it's like at Facebook), how is screen-recording software simpler than a proxy server? Aren't proxy servers used by corporate IT to screen incoming/outgoing traffic for possible malware?