Switching to zakim, start meeting

Hi all - as the systems people prepare to retire trackbot, they have 
noticed that some people are still using the "trackbot, start meeting" 
command. This command will become ineffective when trackbot is fully 
retired. Please switch your procedures now to use "zakim, start 
meeting". Full documentation of how to use it is at:

https://www.w3.org/2001/12/zakim-irc-bot.html#startmeeting

Michael