In fact, i had used the tool and thought this new one looks familiar. That's how I came to know of Hidalgo. Some pretty interesting projects he's been part of
I found this article about the concept (via different tool) applied to Slack.
>If you are interested on using OpenTeams in a secure setting, please use the opensource code to spin your own private instance of OpenTeams
Shall II carry on and start looking for MARQUEE in the page's source?
Edit: just googled MARQUEE. Nice trolling, Google.