Citigroup executives say it was Mr. Buiter's strong views that caused them to pluck him from academia in 2009, when he was a professor at the London School of Economics.
We do get plenty of description on commands though, with some pretty thorough response tables and examples of "anchor text" -- something that the automated assistant tries to pluck from your ramblings in order to make sense of them.
Once embryos are created by in-vitro fertilisation and still growing in the laboratory, it is possible to pluck a cell or two from them and use molecular probes to pinpoint defective genes.