```coffeescript
module.exports = (robot) ->
  robot.hear /the more you know/, (msg) ->
    msg.reply "http://www.youtube.com/watch?v=v3rhQc666Sg"

```

Change to post in channel not reply.
user
```coffeescript
module.exports = (robot) ->
  robot.hear /the more you know/, (msg) ->
    msg.send "http://www.youtube.com/watch?v=v3rhQc666Sg"

```
assistant