And as extremists from the seminar will remember, so anyway....
In General there will be a demo-mode virtual products. In the whole assortment. For example, a virtual 2.6 - firmware in a cocoon. Ie the person is broadcast, then the quality is mastered so that it can be turned off and the BZ of this type not to wear.
But concerning each will be discussed separately and it is reasonable for him to try. As a whole is not an experiment, and to a greater extent demo plus the study of some individual aspects of people (based on all a little different will work obviously). The difference for example from U2-3 that the product with its features, not just ear signal energy.
This brief version of the above.
Detailed - a little later.
And I still polyurea someone from wanting to take. I.e., do not promise anyone a chance of failure.