Two contrasting additions to the online audio market are reviewed: "iVocalize", a browser-based audio-conferencing software, and "Skype", a PC-to-PC Internet telephone tool. These products are selected for review on the basis of their success in gaining rapid popular attention and usage during 2003-04. The "iVocalize" review emphasizes the product's role in the development of a series of successful online audio communities--notably several serving visually impaired users. The "Skype" review stresses the ease with which the product may be used for simultaneous PC-to-PC communication among up to five users.