NB: both 'analyse' and 'analyze' spellings work
Additionally, for both /jotbot trending
and /jotbot analyse
the system now shows what tags the newsfeed is scanning for at the time of being called.
Clicking the tag buttons will append the new tag to the existing tags in the feed; there's also a button to clear everything from the feed so you can start afresh:
this also triggers a message to everyone in the feed.