[jazoom]

Since I had to click through 2 links to find this, I thought I'd save others the time:

"Cog brings the power of the command line to the place you collaborate with your team all the time -- your chat window."

[NickBusey]

Which still conveys almost zero information about what it actually does.

[jazoom]

True. But it was enough at least for me to know I don't need it.