This work will provide some guidelines in the perception of active teachers in the face of current technological advances. Ambition is to re-emphasize a little more on the concretization applications of teaching-learning and to promote the requirement of a serious study in the understanding and acceptance of the necessary change responding to the need of mankind. All citizens deserve a good education and adapted well also to their times. Through this reflection, we bring not only the theories related to the posture of a trainer / mediator, but also suitable material contributing to modern teaching practice.