Here’s a way to display which friends are logged into chat. This uses the same G-35 hacked Christmas lights we saw earlier in the month. [Andrejk’s] company uses Microsoft Lync as their chat protocol when working in teams. The service has an SDK that allowed him to write some .NET code to check status and display it on the string of lights. It works much as you would expect; red for busy, green for available, purple is out-of-office, and we’d guess that yellow is for away. Watch him demonstrate the system after the break.

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