“Give your co-workers the silent treatment by sending them blank emails”

Some employees give their co-workers the “silent treatment”—they don’t talk to them. “Giving co-workers the silent treatment by sending them blank emails” is a jocular saying that was posted on Twitter by “i used to be a pet” on January 5, 2011.
 
       
Twitter 
i used to be a pet
@lcspt
Giving co-workers the silent treatment by sending them blank emails.
10:59 AM - 5 Jan 2011
   
Twitter
ツ Lavinia لافينيا  ✌
@LavIn140
Not answering at all is painful! RT @lcspt: Giving co-workers the silent treatment by sending them blank emails.
12:08 PM - 5 Jan 2011
 
Funny Status
Giving co-workers the silent treatment by sending…
August 7, 2011 Work Status Updates
Giving co-workers the silent treatment by sending them blank emails.
     
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By Erik Groset
Avon, MA: Adams Media
2012
Pg. 156:
Giving co-workers the silent treatment by sending them blank emails.
 
Twitter
Carol Schneider
@CarolSchnei
http://bitly.xaijo.com/bruce Giving co-workers the silent treatment by sending them blank emails.
9:07 AM - 1 Feb 2013
 
Twitter
Bill Murray
@BiIIMurray
Give your co-workers the silent treatment by sending them blank emails.
12:15 PM - 6 Jul 2018