Remember when Facebook users changed their middle names to “Hussein” to show support for Obama? Or to “Equality” to show support for California and Maine’s marriage fights? Well the new cool thing is adding a red AIDS “twibbon” to your Twitter icon to show you really support World AIDS Day. It’s like your own personal version of the White House’s two-story ribbon. Because nothing says grassroots activist like meaningless Internet gestures! See how to add yours here.