On November 27, 2012, thousands of companies, NGOs, small businesses and individuals came together to celebrate the first-ever #GivingTuesday—a new social media-driven campaign to create a national day of giving. The wild success of #GivingTuesday proved two things: social is transforming how people give and it’s turning everyday citizens into empowered philanthropists.

Join #GivingTuesday founders Mashable, 92Y, and the UN Foundation for an interactive ideathon on giving, social media and engagement. We’ll unpack the success of #GivingTuesday, share stories from participants, and talk about how social is changing the giving landscape. Together, with our audience, we’ll bounce ideas and announce plans for how to participate in #GivingTuesday 2013.