USPack Launches New Delivery Portal for Customers The Modernized Interface with the new ADDI Portal Provides for Streamlined Functionality and Greater Transparency Enabling Better Data-Driven Decision-Making for Customers. News provided by Share this article Share this article ORLANDO, Fla., May 5, 2021 /PRNewswire/ -- USPack, a national leader in high-speed final-mile logistics and NewSpring Holdings platform company, debuts ADDI Portal, an updated proprietary customer interface with improved functionality, clearer access to performance data, and enhanced ease-of-use. Designed to be used by customers across all industry verticals, the new ADDI Portal (Adaptive Delivery Driven Intelligence) facilitates easier access to data and better operational transparency to enable efficiency and scalability to meet growing customer demand in a rapidly evolving Delivery Economy.