Doesn't the Social Web Realize that People Talk?
oreillynet.com
oreillynet.com
Theres also companies such as spinvox who offer the ability to do voice messaging and voice to blog. With spinvox you record your voice message and it converts it to text. This way you can post/message using the easiest mobile medium (voice) and others can either read or lsiten to it depending on what is easiest.