When it comes to newsletters, there are a few things that can be done to improve the readership. First and foremost, newsletters should be regularly updated with new information to keep readers interested. Additionally, newsletters should be tailored specifically to the interests of their readers, and not just a general roundup of news.
Finally, newsletters should be sent out to as many people as possible in order to maximize their reach. By doing these things, newsletters can hopefully increase the amount of readership that they have, and make sure that all of the information that is being shared is relevant to those who are reading it.