IRC offers a more interactive experience for exchanging ideas and information than on the mailing list.  CloudStack have three IRC channels that people can join on freenode.

Guidlines
Meetings on IRC

Can someone write down how to use record the meeting and how to post to the mailing list?  How should they follow up on the mailing list for any agreements achieved on IRC?  Is it simply to check the topic after 72 hours?

Tips