The heart button is a a quick and fun way to show you like what you hear. You can do this as many times as you like by clicking the heart button.
You'll find the heart button to the right of the chat window.
If you're a Mixlr broadcaster you'll see how many hearts you've received for your broadcast in your stats email.
So, next time you’re on Mixlr and you like what you hear show some love by hearting!