Abstract: A computing system transmits a first data piece and a second data piece to an electronic device, when the electronic device is engaged in an initial web browser session on an initial web browser, for storage in an electronic device memory. The first data piece is associated with a first domain linked to the initial web browser and contains an electronic device identification. The second data piece is associated with a second domain linked to the initial web browser and contains the electronic device identification. The computing system retrieves the second data piece from the electronic device memory when the computing system is not able to retrieve the first data piece from the electronic device memory. The second data piece retrieved from the electronic device contains the electronic device identification and items of anonymous personal identification information provided by the electronic device during the initial web browser session.

Abstract: A computing system receives a data piece from an electronic device. The data piece includes one or more items of anonymous personal identification information. The computing system identifies an electronic address associated with the data piece. The computing system accesses the one or more servers to identify one or more client systems permitted to transmit data to the electronic device based on the electronic address. The computing system transmits the data piece to the one or more client systems permitted to transmit data to the electronic device.

Abstract: A computing system directs a transmission of a first data piece and a second data piece to an electronic device, when the electronic device is engaged in an initial web browser session on an initial web browser, for storage in an electronic device memory. The first data piece is associated with a first domain linked to the initial web browser and contains an electronic device identification. The second data piece is associated with a second domain linked to the initial web browser and contains the electronic device identification. The computing system retrieves the second data piece from the electronic device memory when the computing system is unable to retrieve the first data piece from the electronic device memory. The second data piece retrieved from the electronic device contains the electronic device identification and items of anonymous personal identification information provided by the electronic device during the initial web browser session.

Abstract: A computing system receives non-schema data pieces including electronic identifications and one or more attributes that are associated each of the electronic identification. Each of the one or more attributes associated with an electronic identification has a quantity. The computing system generates, in a data store, one or more sets of one or more data fields to store the each of the electronic identifications and each of the one or more attributes associated with each of the one or more electronic identifications. A quantity of each set of one or more data fields is equal to one more than a quantity of one or more attributes associated with a particular electronic identification. The computing system stores each of the electronic identifications and each of the one or more attributes associated with each of the electronic identifications in a different data field of each set of one or more data fields.