1.  Prevent margin call from being triggered unless the price feed is less than call price  (popular demand)
2.  Refund 99% of order placement fees on cancel 
3.  Split order-fill fees with referrers for all trades involving BTS
4.  Launch a Demo/Dev chain that gives all signups a significant balance and an opportunity to play with all of the features. 
You might not know it, but I LOVE you when you make sense.
 [and I am even willing to  even give you a pass, as in the cat never falls in its back,  for the  "popular demand" instead of the true reason 'common sense']
It is  + 1  many times, off course!