In order to make this possible a number of techniques were used.
There is less focus on learning a large number of techniques.
However the teaching of such techniques is no longer current.
"And a lot of the techniques for getting results just haven't happened yet."
No one would question the value of technique in any other field.
The safety of the technique is certainly not in question.
The Chinese did not learn of the technique until the 17th century.
The use of these techniques was long kept secret by the Bush administration.
Since then a number of other techniques have been described.
Little good can be expected of this technique, in other words.