I would love to either be able to leave a like on an echo, or favorite. I'm leaning more towards being able to favorite echoes because it would be cool to be able to fast travel to your favorite ones. But both features would be awesome. Or maybe even a view counter for how many times a unique account has viewed your echo, I don't know if that would be possible but yeah.

• Favorite button
  
• Like/thumbs up button
  
• View count