Liquidity, market depth, volume
This is what all exchanges crave.
People will tend to trade on the exchange that have these in abundance, and it becomes a positive feedback loop.
Low fees aren't much good if the exchange has huge spreads.
We need market making bots run by as many people as possible and especially openledger themselves.
Anyone can run a MM bot using
www.btsbots.com I suggest we concentrate on Bitusd market pairs as USD is widely understood, held, used and is a smartcoin as apposed to a UIA.