1. A method, comprising: monitoring one or more messages on a social network for information propagation feedback, the monitoring comprising collecting propagation metadata and non-propagation metadata; training a predictive model using the propagation metadata and the non-propagation metadata as a training set; determining a probability of propagation of a message on the social network using the predictive model; retrieving one or more probabilities for one or more of an alternate content or an alternate time; and determining message adjustment information, for the message and associated with an increased probability of propagation of the message, based upon the probability of propagation and the one or more probabilities, the message adjustment information comprising one or more of a content adjustment for the message or a timing adjustment for the message.