Advertising agencies specializing in marketing strategies to promote businesses; Post-production editing of advertising or commercials; Production of film and television advertising; Production of advertising materials; Promotional marketing services using audiovisual media; Providing marketing consulting in the field of social media; Provision of an online marketplace for buyers and sellers of downloadable video files authenticated by non-fungible tokens (NFTs); Provision of an online marketplace, using blockchain technology, for buyers and sellers of downloadable digital video clips, digital still images, digital clothing for virtual avatars, and other types of digital files, including user-generated virtual items and digital content, authenticated by non-fungible tokens (NFTs); Providing information in the field of marketing and on-line marketing media via the Internet; Providing promotional marketing services to businesses in the broadband and media industries