 Virtua incorporated all of the functionality of VTLS Classic but utilized an entirely new software architecture that included full Unicode support throughout the system as well as full native Z39.50 support.Since the introduction of Virtua, VTLS continued to develop support for new standards and emerging technologies.In 2000, VTLS introduced support for radio-frequency identification (RFID) technology for circulation and security, later expanding it into the "Fastrac" product division.