1. An automated bid management system for dynamically managing bids for presentation of mobile content on a mobile communication facility operated by a user paying for use of the mobile communication facility with a wireless communications provider, wherein the mobile communication facility consists of a mobile phone, a cellular phone, or satellite phone, the system comprising a computer having a computer readable medium having stored thereon instructions which, when executed by a processor of the computer, causes the processor to perform the steps of: (a) receiving first data representative of the type of a mobile content of a sponsor for presentation on the mobile communication facility; (b) receiving second data representative of a content viewing history of a user group with which the user is associated, wherein the content viewing history is based on content previously viewed by the user group via respective mobile communication facilities; (c) receiving third data representative of purchase prices paid by the user group, wherein the purchase prices are based on a plurality of previously purchases made by the user group via respective mobile communication facilities; (d) calculating an expected value for use in determining a bid amount to sponsor the mobile content to be presented to the mobile communication facility of the user, wherein calculation of the expected value is based at least on the first, second, and third data received, wherein the expected value is an expected advertiser revenue or an expected conversion yield; and (e) dynamically altering the bid amount to reflect a change in the expected value, wherein determination that the expected value is to change is based on the probability that the user group will view, interact with, or execute a transaction associated with the mobile content, wherein the user group includes a plurality of users having at least one or more same characteristics, wherein the one or more same characteristics are selected from the list consisting of: (i) a hardware or software characteristic of the mobile communication facility of each respective user; (ii) a demographic characteristic provided by each respective user at the time of subscribing with the wireless communications provider; (iii) a current location of the mobile communication facility of each respective user; and (iv) a behavioral characteristic associated with each respective user.