Abstract: According to embodiments of the present invention, a user's local storage system may be used to create a virtual personal mall comprising one or more virtual personal stores and configured for purchasing products by one or several providers. The virtual personal store and/or virtual personal mall may be organized in virtual shelves. Each virtual shelf may contain a group of products with one or more common properties, for example, books by a certain author and/or published by a certain publisher, and/or supplied by the same virtual personal store provider, etc. The groups may be defined by the virtual personal store provider and/or by the user and/or by a group of users.