related_tweet: here's how wikipedia trails work for me: 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  - i saw a tweet about the three wealthiest families in america--kochs, waltons, &amp; mars(es?). i don't know really anything about the mars family so i google them and look at their wikipedia page.