The best thing about this software is that it has helped me to manage my contacts and their information in such a way that I am not losing any of them. It is also very user friendly as it allows one to organize and structure everything in a way that makes sense to you. As for its downsides it is nothing but it is better to consider it as a learning experience because you will learn a lot from it. This software is helping me to organize my contact lists more efficiently than ever before. This is also helping me to make sure that I don't lose any of my contacts.