If they have an issue they want to focus on, they can gain experience from members of the group that deal with that issue, and they can participate in the progression of IFX in that area.

This is a high level that encompasses many different types of transactions, including new transactions that weren't even thought of when older standards were developed.

They're using IFX to reengineer their branch delivery systems. Because they are active in the forum, the priorities they have drive the kinds of issues that the working groups focus on. So, they are in effect getting people focused on these standards issues as well as creating the standards themselves.