The only categories that should exist here

(1) technology and business, (2) politics and economics, (3) entertainment -- movies, sports, food, television, (4) life advice -- parenting, career perspectives, and (5) other diverse news and interests.

According to Quora

opic list coverage checklist

• 1.1Art and culture
• 1.2Geography and places
• 1.3Health and fitness
• 1.4History and events
• 1.5Mathematics and abstractions
• 1.6Natural sciences and nature
• 1.7People and self
• 1.8Philosophy and thinking
• 1.9Religion and spirituality
• 1.10Social sciences and society
• 1.11Technology and applied sciences
  
  
  Accoring to Wikipedia