Social Good Summit 2011 [WATCH LIVE]

Mashable, 92Y and the UN Foundation are excited to get the fourth and final day of the annual Social Good Summit underway.

Day three featured the Archbishiop Desmond Tutu, President Kikwete of Zimbabwe, Tony Bates, the CEO of Skype, and Kate James, the chief communications officer of the Bill and Melinda Gates Foundation, among other moving speakers. As UN Week continues in New York, we can't wait for an exciting and innovative day four.

Today we'll hear from global leaders and technology figures, including Barbara Bush, representatives from Mercy Corps, and tech startup entrepreneurs and investors. A sold-out crowd of 3,000 will attend the event in New York and thousands more will tune in online.

Join us by watching the live stream of the summit above. You can find today's itinerary below.

Day Three Lineup

1:00 – 1:05 p.m.

OPENING REMARKS

1:05 – 1:20 p.m.

THE POWER OF YOUTH: MOBILIZING COMMUNITIES THROUGH NEW MEDIA

Barbara Bush, CEO and Co-founder Global Health Corps (@GHCorps) and Pete Cashmore, Founder and CEO, Mashable (@PeteCashmore)

1:20 – 1:27 p.m.

WHAT IS SOCIAL ENTREPRENEURSHIP?

Yossi Vardi, Investor and Entrepreneur

1:28 – 1:34 p.m.

UPDATE ON TAHRIR SQUARE

Shahinaz Ahmed, CEO, Education for Employment Foundation – Egypt

1:35 – 2:00 p.m.

THE ARAB AWAKENING: APPS & ASPIRATIONS

Andrea Koppel, Vice President of Global Engagement & Policy, Mercy Corps, Neal Keny-Guyer, CEO, Mercy Corps (@MercyCorps), Maria Otero, Under Secretary for Democracy and Global Affairs, U.S. Department of State and Salman Shaikh, Director, Brookings Doha Center

2:00 – 3:45 p.m.

STARTUPS FOR GOOD CHALLENGE

Startups for Good Challenge is a special event to showcase eight startups that are striving to improve the world through innovative technology and websites. The companies will compete for a $10,000 cash prize. The 8 finalists are listed here: http://sale-online.click/sgs/startups-challenge%3C/p%3E%3Cp%3E%3C/p%3E%3Cp%3E Event Details

Date: Monday, September 19, 2011, through Thursday, September 22, 2011

Time: 1:00-5:00 p.m. ET

Livestream: Join us online for the Livestream

Hashtag: Follow the hashtag #socialgood to keep up with the latest developments at the Social Good Summit.