1. A method comprising: initiating an information distribution session at a communications switching center based on instructions received via a network from a first participant of a plurality of network participants; assigning access information to the communications switching center and a passcode for the information distribution session, wherein the access information is a phone number selected from a pool of available phone numbers stored in a non-transitory computer readable medium; receiving posting information at the communications switching center sent via the network from two or more active participants of the plurality of participants using the access information and the passcode; and transmitting from the communications switching center to the active participants via the network the posting information of other active participants during the session; wherein the passcode becomes invalid after a predetermined period of time following initiation of the information distribution session, and wherein, after the passcode becomes invalid, the selected phone number is returned to the pool of available phone numbers.