The Nudge encompasses every aspect in the architecture of choices that alters people's behavior in a predictable way without prohibiting the choice of other options and without significantly changing their economic incentives.

The fields in which these reasearches gave the most promising results, both in terms of greater support for citizens' well-being and in terms of saving resources, were those of taxation, finance, health, environment, energy saving, inclusion, safety and education. The growing attenction towards these analyzes is directed to the digital world and to new media. Finally, the world of private enterprise, especially services (financial, public utilities, culture and tourism), is increasingly attentive to designing the internal organization, such as production and communication strategies, in relation to the behavioral impact on the consumer. Organization, communication and behavioral marketing, also in light of the industrial revolution of the digital economy, increasingly refer to the contributions of behavioral economics and cognitive sciences.