Just asking.

Implementation can help in some things like:

Some traders or markeeters doesn't wait too much and maybe they report fast, so seeing status would be great.

Someone to not do useless posts, that "someone" wants to play with his/her friend, but he doesn't know if he/she is in Phone or in computer, so he/she can check his/her friend's profile to see if he/she is in computer or in phone