A connector pin includes an electrically conductive rod having a first end that extends longitudinally from an edge of a circuit board. For example, one method involves sending a special data packet in response to detection of a break in a network loop and then unblocking a port if the special data packet fails to circumnavigate the network loop. The core has a diameter of between 3 and 6 microns and a difference between the index of the core and the cladding is between 0. Weights for dynamic and static relevance ingredients can be altered per ranking model and new relevance ingredients can be added. After all of the ECC data has been received, the ECC data is used to verify the first sets of data, correct the first sets of data, and access to is provided to the verified first sets of data. The selected push information is sent from the push server to the client that demanded the push information, to be displayed on a display device when the screen saver is operating.