Digital Realty Trust Inc is a Maryland corporation, formed on March 9, 2004 and completed its initial public offering of common stock on November 3, 2004. It operates as a real estate investment trust. The Company owns, acquires, develops and operates data centers. Its portfolio consists of physical and connectivity infrastructure that supports the applications and day-to-day operations of social networking, mobile communications, analytics, cloud and content providers, network providers, information technology services providers and corporate enterprise data center users, including financial services companies. The types of properties within its portfolio includes Corporate data centers, which provide secure, continuously available environments for the exchange, processing and storage of critical electronic information. Data centers are used for digital communication, disaster recovery purposes, transaction processing and housing corporate IT operations, Internet gateway data centers, which serve as hubs for Internet and data communications within and between metropolitan areas, and Office and other non-data center space. Its competitors include CoreSite Realty Corporation, CyrusOne Inc., DuPont Fabros Technology, Inc., Equinix, Inc., and QTS Realty Trust, Inc. The Company's properties are subject to various laws, ordinances and regulations, including regulations relating to common areas.