Cross Posting is the process of putting your content on more than one social media platform. This can be very useful when you want to get your message and communications out to people on wide networks.
To have a look at some of the advantages of automated Cross Posting, you can have a read of this case study. Case Study automated cross posting. This also includes some hands on instructions.
However, rather than doing this automatically you may want to consider the alternatives. It may be a bit more work but might be worth the effort. Have a look at this article on the subject.
The choice of what social media platform you use to post to first may also depend on how easy it is to cross post to other platforms. In this article the author talks about using the website called ifttt.com to cross post to other platform with a degree of flexibility. I’ve tried this out and it works but it takes a bit of playing around.
If you do decide that you want to give up a bit of of control in order to save time and automatically update some of your social media channels then, one of the tried and tested ways of starting this process is to start with a WordPress blog post and to use the RSS blog post as your source. The Case Study automated cross posting can talk you through how to do this.