Have the option to like a post in a thread.

Have the option to like posts in a thread. For example, so you can filter or sort posts by likes; So the community know which are the best posts of a thread.

Like that you give the community a little bit more interaction between users, giving the users who post creative and good answers many  likes; making them feel a charming sensation from the community.

By the way you guys are creating an amazing site, good job and keep it up.