A portable web widget for distribution of multimedia content over a computer communications network, the web widget adapted for viral distribution and execution in a web browser on a client device wherein the widget includes a content retrieval component communicatively coupled to an application server over the computer communications network, the content retrieval component configured to retrieve one or more multimedia display files and metadata into an embedded electronic commerce store in the web widget after it enters an active operational mode, the widget also including a content preview component configured to enable a streamed execution of a portion of the multimedia content files associated with each of the multimedia display files from a multimedia content distribution system executing on the application server, and a transaction processing component operative to execute and complete a commercial transaction in the embedded electronic commerce store pertaining to the multimedia content files.