Nintendo has been busying itself lately with the launch of the DSi, but the gaming giant hasn’t forgotten the Wii and is planning to launch a console-based communications channel. wii_speak WiiSpeak: chat with gamers through the Wii According to numerous online sources, the channel will be called WiiSpeak. It’ll require …
Why a separate dongle?
There already is a (thus far unused) microphone inside the Wiimote, isn't there?
See http://money.cnn.com/magazines/fortune/storysupplement/wiiremote/index.htm and other reports.