Most professional and scholarly organizations have a web presence. Below is a selected list of groups focusing on aspects of communication disorders.
Check the following sites for information about annual conferences and conventions.
The sites below contain some substantive information but are primarily compilations of links to web resources. Since they specialize in communication disorders, you might want to have a look at them before trying to search the internet for information.
Caroline Bowen's Home Page
An Australian speech-pathologist, Bowen has created a vast and useful site filled with links to SLP sites around the net.
Net Connections for Communication Disorders and Sciences
Judith Kuster has compiled an exhaustive list of links about communication disorders. Sections include speech and language disorders, hearing and hearing disorders, stuttering, online courses, discussion forums, and more.