If you logged onto Facebook yesterday, odds are you saw a red version of the Human Rights Campaign’s logo in your feed, in support of marriage equality while the U.S. Supreme Court heard arguments for and against DOMA and California’s Proposition 8.
According to CNN, about 10 million people saw the image on Facebook. So, how the heck did HRC get millions of people to share their logo (of all things)? This post breaks down what made the campaign a success, and what we can learn from it.