The secondary research process involved comprehensive analysis of technology regulatory databases, peer-reviewed engineering journals, industry publications, and authoritative technology organizations. Key sources included the US Department of Commerce National Institute of Standards and Technology (NIST), Federal Communications Commission (FCC) equipment authorization database, Consumer Technology Association (CTA), Entertainment Software Association (ESA), VR/AR Association (VRARA), National Telecommunications and Information Administration (NTIA), IEEE Xplore Digital Library, ACM Digital Library, International Data Corporation (IDC), Gartner Research, Statista Technology Portal, Organisation for Economic Co-operation and Development (OECD) Digital Economy Outlook, European Commission Digital Economy and Society Index (DESI), National Bureau of Statistics of China (Technology Sector Reports), Japan Ministry of Economy, Trade and Industry (METI), Korea Ministry of Science and ICT, and national digital transformation agency reports from key markets.
Statistics on technology adoption, patent filings, hardware shipment volumes, software development trends, and competitive landscape analysis for head-mounted displays, gesture tracking devices, projectors and display walls, 3D cameras, and immersive software platforms were gathered from these sources.