I think any ECA will follow the field where they make a successful business as soon as possible therefore you can talk abnut tripleclicks with them.You show them how many ECAs already joined tripleclicks and everyday new ECAs join tripleclicks on world. You can show how much customer they can find here.When you talk about these things with them (ECAs) they will be encourage and then they will be an active ECAsHOPE THE ANSWER HELP YOU.