I'm waiting for the part where she explains why she doesn't work at Google.
I believe because the publicly available reports of their interview process don't seem to emphasize "getting stuff done" as much as she prefers, but instead emphasize other attributes. She believes that if it's not emphasized in the interview process, it's likely to be underemphasized in the organization as a whole. Since she believes that attribute to be more important than its proportion of apparent emphasis, the p…
I don't know of any magic way of testing for that. There are some good signals, of course, such as:
1) pre-interview open source reputation and release. 2) References from people you trust and respect. 3) Publications with significant content written by the candidate.
But I've seen each of these fail, even in combination, in predicting the ability to execute. That said, it's better than nothing.
(disclaimer, I work for Google, and am also waiting for the part about Google in the OP)