I like that Netnomics is always looking to improve their service. They are very responsive when it comes to questions or concerns that you may have about your campaigns. Their team really cares about customers' success! There's not much for me to dislike with this tool - they do what they say they will do. We use them to manage our email list building efforts; the reports are easy to read and understand. This helps us measure how many people we're reaching each month through different channels (email vs social media).