222. The method of claim 205 comprising at a first time, serving personalized content to the recipient based on the first value associated with the first edge.
222. The method of claim 205 comprising at a first time, serving personalized content to the recipient based on the first value associated with the first edge. 223. The method of claim 222 comprising at a second time, serving personalized content to the recipient based on the second value associated with the first edge.