Computers; Downloadable computer software for creating 3D and holographic images; Downloadable computer software for rendering and displaying 3D and holographic images; Holographic imaging display hardware, namely, digital projectors configured for generating 3D and holographic images; Holographic digital displays, namely, digital projectors and holographic projection screens configured for generating holographic images; Computer hardware for telecommunications; Input devices for computers; Smart glasses; Smart speakers; Computer hardware and recorded software systems for providing artificially intelligent digital assistants rendered as 3D and holographic images; Downloadable computer software for generating and managing artificially intelligent digital assistants; Computer hardware and recorded software systems for playing games rendered as 3D and holographic images; Downloadable and recorded computer game software; Downloadable image files containing digital works of art; Downloadable multimedia files containing video relating to digital works of art; Downloadable audio files featuring digital works of art; Downloadable digital image files of digital works of art authenticated by non-fungible tokens (NFTs); Downloadable multimedia files containing video relating to digital works of art authenticated by non-fungible tokens (NFTs); Downloadable multimedia files containing audio relating to digital works of art authenticated by non-fungible tokens (NFTs)