It's undocumented, a feature inserted by Google engineers simply because they wanted it.
But times are changing, and there are complaints that the Hugos are being used "as an affirmative action award: giving Hugos because a writer or artist is (insert under-represented minority or victim group here) or because a work features (insert under-represented minority or victim group here) characters".
The crystal structure of the catalytic region of LigIV shows four unique features (Inserts 1 & 2, Y298 and K345 in Fig. 5A) [51,82], which are probably important for the activity of LigIV.
The beginning and the end of this report features an inserted video message which was pre-recorded by Ai Weiwei in China.
Accordingly, a new "ft" feature is inserted into the "content feature" class by which the consecutive four letters in the word are considered.
And it had been earlier experimenting with a feature that inserted celebs' video answers into search, as well.
If this value is lower than the perturbation parameter MR, the feature is inserted into the subset, that is, the vector value at that position is filled with 1. Otherwise, the value of the b it vector is not modified.
We were able to minimize the effect of these features by inserting an inexpensive linear polarizer sheet into the spectrophotomer light path so as to deliver only p-polarized illumination to the NP film samples, which preferentially excites the coupled NP film resonance and, hence, produces more accurate NP film LSPR peak positions to use for the distance calibration.
The inserted features are validated from functionality and manufacturing point of view.
More generally, Battelle asked about the sense that Google is pushing Google+ integration into more and more products — most infamously, the Search Plus Your World feature that inserts results from your Google+ network into Google's organic search results.
