CoPromote (Formerly Headliner.fm) has raised $1.8M in funding led by ff Venture Capital. Additional participants included Correlation Ventures, AlphaPrime Ventures, The Social Internet Fund, and Greg Raifman.

CoPromote (formerly headliner.fm) is a social exchange platform to help people grow their audience.

Users are content creators ranging from artists, bloggers, brands, businesses, musicians, tastemakers, websites and more. CoPromote is for people of all interest types. Whether you have one fan or one thousand fans, CoPromote can help you reach even more.