Sharing things I'm learning through my foundation work and other inte1
Remembering Nelson Mandela, his leadership in the fight against AIDS, and the story behind one of my favorite photos http://t.co/ceFHSVEWTA
Every time Melinda and I met Nelson Mandela, we left more inspired than ever. His grace and courage changed the world. This is a sad day.
Big Data is helping find new uses for old drugs, like an antidepressant that might fight some lung tumors: http://t.co/sF8Mrs4l7k
What I want for Christmas this year (it’s not cookies…): http://t.co/drlV2XZ8YZ