In my opinion, some will stay others will leave and will be members who will play, leave, play again. We all must have in mind that this game is quite old but has something interesting that made me come back.
About the changes or improvements
- they must be countable
- as a rule is good to have targets, aims
- Also they must be done in a reasonable periods of time ex: 1 in 6 months and understand what is the achievement
- What are our target client? age? sex? location? all this count
- etc...
It is very good that questions like this arise and they are discussed with community