One or more computing devices, systems, and/or methods for selecting messages for transmission to client devices are provided. A first message associated with a first entity may be received from a first client device. The first message may comprise information associated with the first entity. A user account database, comprising a plurality of user profiles, may be analyzed based upon the first message to select a set of user accounts, from a plurality of user accounts, for transmission of a set of messages associated with the first message. The plurality of user accounts may be subscribed to an information service. Each user profile of the plurality of user profiles may comprise information corresponding to a user account of the plurality of user account. The set of messages may be transmitted to the set of user accounts.