Platform-as-a-Service (PaaS) featuring computer software platforms for posting original works of authorship and other digital content for sale, and creation of online marketplaces for consumers and fan engagement; providing a web site featuring technology that enables users to raise money for content creation; providing a web site featuring technology that enables users to offer rewards to their backers; providing a web site featuring technology that enables users to communicate with fans; providing a web site featuring technology that enables users to notify fans of new content; providing temporary use of an online, non-downloadable computer software platform for facilitating interaction and engagement between athletes and creators and their fans or audience, and for facilitating interaction and engagement among their fans or audience