Network based ambient services

A method performed by a network system operated by a network operator, the method comprising:

• monitoring traffic over a wireless access network, the wireless access network communicatively coupling the network system to an end-user device, the end-user device including a plurality of applications, a first application of the plurality of applications enabling the end-user device to access, over the wireless access network, a particular network end point of one or more network end points accessible to the end-user device, the particular network end point being outside of the wireless access network and operated by or on behalf of one or more entities other than the network operator;
• identifying, within the traffic over the wireless access network, one or more data transfers associated with access to the particular network end point by the first application;
• obtaining an offset, the offset being based on a use of the wireless access network for the one or more data transfers associated with access to the particular network end point by the first application;
• allocating at least a portion of the offset to a first account, the first account being associated with a service sponsor responsible for paying for or subsidizing at least a portion of the use of the wireless access network for the one or more data transfers associated with access to the particular network end point by the first application, wherein the service sponsor is not a user or a subscriber associated with the end-user device;
• and
• sending information to the end-user device, the information configured to assist in causing a user interface of the end-user device to present a notification.