What does that "talking to people from" mean? How are the engagement numbers? How many followers follow a link when you post to these accounts? When I send ou

What does that "talking to people from" mean? How are the engagement numbers? How many followers follow a link when you post to these accounts? When I send out a mailing, about 3% of the receivers click on a link in it. If that would apply to twitter, an account with 1000 followers posting about my site would bring in 30 visitors. But as I said, on average it brings not even one.