Where was I when this came out? I never even heard of it! well... I might of, but completely forgot about it. Perhaps if Google did a bit more advertising for this product it might of seen more traffic... O well...
You can try google wave alternative http/www.co-meeting.com. Co-meeting focuses on the text-based meeting. And you can import wave from google wave to co-meeting.
Real time wiki was just one of GW uses, for those who still want to explot easyness of contextual communication, apart from mentioned co-meeting there is rizzoma, it doesn't split discussion and documentation.
Here is video on how to import
http/blog.rizzoma.com/2012/02/01/video-and-faq-about-import/