Downloadable mobile applications for cataloging, organizing, valuing, and tracking collections of trading cards and collectibles, and for exporting inventory listings to online marketplaces; Downloadable software for inventory management; Downloadable mobile applications for generating and printing QR code labels for trading cards, and for scanning labels to locate trading cards; Downloadable mobile applications using artificial intelligence (AI) for analyzing photographs of trading cards to identify the player, year, set, and card number; Downloadable mobile applications for verifying graded trading cards against the certification records of grading companies; Downloadable mobile applications for pricing trading cards based on recent sales data, and for recording in-person sales of trading cards and tracking sales history; Downloadable mobile applications for sending, receiving, and managing offers to purchase trading cards, and for proposing and completing trades of trading cards between users; Downloadable mobile applications for creating promotional videos featuring images of trading cards, and for sharing links to trading card collections; Downloadable mobile applications for social networking in the field of trading card collecting

Providing temporary use of on-line non-downloadable software for cataloging, organizing, valuing, and tracking collections of trading cards and collectibles, and for exporting inventory listings to online marketplaces; Providing temporary use of on-line non-downloadable software for generating and printing QR code labels for trading cards, and for linking each label to a web page displaying the card's market value and sales history; Providing temporary use of on-line non-downloadable software for importing collection data from spreadsheet files, and for matching trading cards to a catalog to add market values, sales history, and photographs; Providing temporary use of on-line non-downloadable software and applications using artificial intelligence (AI) for analyzing photographs of trading cards to identify the player, year, set, and card number; Providing temporary use of on-line non-downloadable software for verifying graded trading cards against the certification records of grading companies; Providing temporary use of on-line non-downloadable software for recording storage locations of trading cards, and for locating trading cards by scanning labels; Providing temporary use of on-line non-downloadable software for pricing trading cards based on recent sales data, and for recording in-person sales of trading cards and tracking sales history; Providing temporary use of on-line non-downloadable software for sending, receiving, and managing offers to purchase trading cards; Providing temporary use of on-line non-downloadable software for proposing, negotiating, and completing trades of trading cards between users, and for transferring trading card records between user accounts; Providing temporary use of on-line non-downloadable software for creating promotional videos featuring images of trading cards, and for sharing links to trading card collections on social media; Providing temporary use of on-line non-downloadable software for managing staff user accounts and access permissions for shared trading card inventories; Providing subscription-based temporary use of on-line non-downloadable software for managing inventories of trading cards and collectibles; Computer services, namely, creating an on-line community for registered users to showcase their collections of trading cards, follow other collectors, and exchange messages; Computer services, namely, hosting an interactive web site that allows users to display their trading card collections on public profile pages, follow other users, and send messages and offers about trading cards; Electronic storage of digital photographs