Good list of advices, I regularly see people failing because of fundamental things like this... despite explaining my expectations first. So I'd add: listen to what the interviewer says about how he's going to assess you.

Interesting evolution... looks like people will all go back to some chat system? It'll be the 90's all over again? Maybe IRC will make a comeback? :-)

The level of details these techniques are giving now... this is very impressive.

And now the part two, with more warnings about what you measure. Also proposes a few ideas toward the end.