Keep your wave3 card handy with your SFI id on it. You can share the same with the stranger so that when he/she goes back, can check the opportunity, also it will help you to get a wave3 signup, which will get you a chance to win $250 in wave3 drawings.
Also you can explain about Tripleclicks, about the products and also the opportunity to list own products through ECA or member listing.
