Question: how can I start a messenger service? 

Answer: If you are referring to a courier service, here are some articles/resources that can give you information on how to start a courier service:\n\nCourier Magazine http://www.couriermagazine.com/\nEntrepreneur.com How to Start a Courier Business http://www.entrepreneur.com/article/0,4621,266105,00.html\nStarting Your Own Courier Service http://www.buzzle.com/editorials/2-9-2006-88476.asp
This question from the Yahoo Q&A forum is categorized in the topic: Politics & Government