Social media platforms carry very big audiences and make it quicker and more efficient in getting the elected officials statements out for the people to acknowledge. Social media also makes it easier for people to make their voices heard and be able to say what changes they would like to see.
Elected officials mostly use social media because most people are on social media.
Explanation:
The reasons are as follows.
Social Media is a large platform and many people are on the various platforms many times during a single day. So these officails can broadcast their information and hundreds and thousands of people will see it.