17. A non-transitory computer-readable medium having stored thereon instructions executable by a computer system to cause the computer system to perform operations comprising: receiving, via a web interface, an identifier of a portable communication device of a user; in response to said receiving, automatically causing an authorization code to be sent to the portable communication device; receiving, an acknowledgement message including the authorization code and information indicating an acceptance of the user to receive text messages relating to one or more of a plurality of topics via the portable communication device; and directing one or more text messages related to the one or more of the plurality of topics to the portable communication device based, at least in part, on the identifier and on the information indicating the acceptance of the user.
17. A non-transitory computer-readable medium having stored thereon instructions executable by a computer system to cause the computer system to perform operations comprising: receiving, via a web interface, an identifier of a portable communication device of a user; in response to said receiving, automatically causing an authorization code to be sent to the portable communication device; receiving, an acknowledgement message including the authorization code and information indicating an acceptance of the user to receive text messages relating to one or more of a plurality of topics via the portable communication device; and directing one or more text messages related to the one or more of the plurality of topics to the portable communication device based, at least in part, on the identifier and on the information indicating the acceptance of the user. 22. The non-transitory computer-readable medium of claim 17 , wherein the web interface comprises a plurality of web pages.