Meet the couple trying to give away billions and make every dollar count
In the early 2000s, Dustin Moskovitz co-founded Facebook with Mark Zuckerberg, Eduardo Saverin and others. In his mid-20s, he was a billionaire, one of the youngest in the world. But unlike most Silicon Valley founders who turned their fortunes into new companies or lavish lifestyles, Moskovitz and his wife, Cari Tuna, a former Wall Street…