[khattam]

Correct. At least Microsoft[1] and Clinton Camp[2][3] have been known to use it on reddit.

1. http://www.businessinsider.com/microsoft-positive-reddit-com...

2. http://correctrecord.org/barrier-breakers-2016-a-project-of-...

3. https://wikileaks.org/podesta-emails/emailid/141

[ksk]

There was no evidence of your claims in your citations.

[khattam]

I am not here to provide evidence for someone else. If you need evidence, look for it.