"Last year, when Twitter users first learned that the young, unarmed Martin was gunned down on his way home from a local convenience store, there were protests and vigils organized within 48 to 72 hours, using outlets like Twitter and Facebook."

Feminista Jones is a sex-positive Black feminist, social worker and blogger from New York City. She writes about gender, race, politics, mental health and sexuality at FeministaJones.com. She is a columnist for Ebony.com and section editor at BlogHer.com. Follow her on Twitter at @FeministaJones.