Respuesta :

Explanation:

  • It encourages people community to post their news
  • The news can be posted for a group or to a general public too
  • The group or the general public can comment on the news
  • The news which is interesting based on the reviews will be given the top priority

Example:

Reddit - A large site with huge number of user  

Digg - This is also quite popular and it has different categories of news where the user can view news based on his/her interest.