The Marketing Proof Gap: What It Is And Why Marketers Should Care 0 05.05.2019 03:43 Forbes.com A common attack levied at marketers is the failure to demonstrate value. This article discusses the “proof gap,” what it is, and how it impacts marketers. Партнёры Smi24.net Все новости за 24 часа Музыкальные новости Агрегатор новостей 24СМИ