An end-user device comprising: a modem (942, 946, 948) for enabling the end-user device to access one or more network communication end points over a wireless access network (110, 210, 405, 415, 505, 515, 605, 615, 705, 715, 1610, 4610); memory (910, 920); and one or more processors (115, 930, 935) configured to: monitor end-user device data traffic, the end-user device data traffic comprising one or more data packets, and identify an attempted or successful data communication over the wireless access network associated with the particular service activity in the monitored end-user device data traffic, further characterized in that: the memory is configured to store a service policy associated with a particular service activity of a plurality of service activities available to the end-user device, the service policy configured to assist in charging a sponsor entity for at least a portion of a wireless-access-network usage cost or usage measure associated with the particular service activity over the wireless access network, the sponsor entity being an entity other than a user of the particular end-user device and other than an operator of the wireless access network; and the one or more processors are further configured to: in response to identifying the attempted or successful data communication over the wireless access network associated with the particular service activity, apply the service policy. a modem (942, 946, 948) for enabling the end-user device to access one or more network communication end points over a wireless access network (110, 210, 405, 415, 505, 515, 605, 615, 705, 715, 1610, 4610); memory (910, 920); and one or more processors (115, 930, 935) configured to: monitor end-user device data traffic, the end-user device data traffic comprising one or more data packets, and identify an attempted or successful data communication over the wireless access network associated with the particular service activity in the monitored end-user device data traffic, monitor end-user device data traffic, the end-user device data traffic comprising one or more data packets, and identify an attempted or successful data communication over the wireless access network associated with the particular service activity in the monitored end-user device data traffic, the memory is configured to store a service policy associated with a particular service activity of a plurality of service activities available to the end-user device, the service policy configured to assist in charging a sponsor entity for at least a portion of a wireless-access-network usage cost or usage measure associated with the particular service activity over the wireless access network, the sponsor entity being an entity other than a user of the particular end-user device and other than an operator of the wireless access network; and the one or more processors are further configured to: in response to identifying the attempted or successful data communication over the wireless access network associated with the particular service activity, apply the service policy. in response to identifying the attempted or successful data communication over the wireless access network associated with the particular service activity, apply the service policy.