Constant Contact is one of the leading email marketing service providers in the world. The company offers a free trial which requires no credit card. This will allow you to experiment with everything the company has to offer without taking any risks whatsoever. One of the best things about Constant Contact is the real-time data. This feature makes it possible for the user to take their success in real-time. This ensures that they’ll always know what emails are working and which ones are not. Plus, it is possible to collect emails in more ways for even better results.