Note: This post was updated on 30 October to reflect TodaysMeet introducing Twitter integration.

The advent of the backchannel is a tremendous opportunity for presenters. The backchannel is an online conversation that takes place at the same time as people are talking live. Audience participation didn’t use to scale easily beyond a small group. Now, the backchannel allows every audience member, whatever the size of the group, to be an active participant. However, if you plan to use a backchannel proactively in your presentation, it may be better to use a backchannel tool other than Twitter. This is because:

  1. Twitter users won’t have to be concerned about overwhelming their followers with a series of presentation-specific tweets.
  2. Anybody can access and contribute to the backchannel without having to register.

That makes the backchannel more inclusive – no Twitter-divide – and allows the backchannel to become a lot more intimate amongst conference attendees.

Nina Simon of Museum 2.0 has written a great account of using both Twitter and a no-registration backchannel tool, TodaysMeet, at the WebWise 2009 conference:

“Whereas Twitter provided the conference highlights to a wider audience, TodaysMeet allowed attendees to delve deeper into individual moments and questions.”

The other presentation-friendly backchannel tool I’m aware of is Backnoise (do tell me if you know of others). (You may have heard of Backnoise. It was used as a backchannel at the New Media Atlanta conference. There wasn’t a good fit between the speakers at the conference and the audience and the backchannel descended into snarky chaos.)

Review of TodaysMeet and Backnoise

Both TodaysMeet and Backnoise are ultra-easy to use. You go to the website, choose a name for your “room” and start chatting. That’s it.

There are other chatroom applications (Chatzy, Tinychat) but they have features which make them less presentation-friendly (eg: having to invite people to join by email) so I don’t recommend them.

Here’s a comparison of TodaysMeet and Backnoise:



Todaysmeet display Backnoise with text
Very easy to use Easy to use
Twitter integration (introduced on 30 October) Twitter integration
140 character limit 400 character limit
Has “Buzzkill” function*
Have to put in a name (but you could put in an alias) Can remain anonymous
Can mute specific people from your own screen (other people will still see them)
Has a fullscreen display function No display function but working on it
No archiving of content – but working on it No archiving of content

*Update: Backnoise and Buzzkill

Initially the Buzzkill function on Backnoise could be used by anyone at any time to delete all the conversation content up to that point (and it still says this on the website). I didn’t get the point of this, and certainly thought it would be a disadvantage in using Backnoise as a constructive participative backchannel. Keith McGregor, the developer of Backnoise, has changed the way it works:

“Buzzkill allows a segment of the conversation to fade away. Repeated buzzkills by others fades the text further and further, until it vanishes. Each viewer gets a limited number of times they can buzzkill a conversation. This limits abuse by an individual. Collectively, however, the community of the conversation can fully mute portions”

This is definitely an improvement, although I’m still not sure how I would want to use this functionality in a presentation context. How do you think it could be used?

Which is best?

Now that both TodaysMeet and Backnoise have Twitter integration, TodaysMeet is the slightly better tool because of its fullscreen display.

9th November update: Charlie Osmond of has just let me know about using Google wave as a backchannel. Check out his post Google Wave vs Twitter at conferences.

Note: This is an excerpt from my forthcoming free eBook “How to present with Twitter (and other backchannels)”. If you’d like to know as soon as it’s released sign up here:

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