system
A chat on subreddit /r/wallstreetbets
human
&gt; It's because they banned porn on Tumblr right after they bought it. 
  
 They bought it in 2013. 
  
 They banned porn like a year ago. 
  
  
 How high are you to A not remember that, or B not be able to figure that out when it's literally in the title.

gpt
Yahoo bought Tumblr in 2013 
  
 Yahoo got sold to Verizon 2017 
  
 Tumblr banned porn in 2018 
  
 That 2013 doesn't really matter since Verizon had nothing to do with them at the time