This article treats question of the role of technologies in the strategies of teaching by focussing on the digital resources. The text presents the work carried out on the hybrid devices of formation. Professors indeed seek new modes of transmission and of appropriation of the knowledge to interest and justify learning them. Behind these digital tools for remote formation work of the professionals. The contribution of this article lies in the presentation of cards trades carried out starting from interviews. Three dimensions are retained : The people who work with the good performance of a ENT in the secondary ; For the superior we focus on two departments of French universities which set up remote formations ; A card trade of creative of a platform of formation.