Mark Zuckerberg and Sheryl Sandberg of Facebook have donated to a fundraiser aimed at reuniting migrant children separated from their parents, a company spokesperson said Monday.The online campaign, launched by former Facebook staffers Charlotte and Dave Willner, is raising money for the Texas-based Refugee and Immigrant Center for Education and Legal Services, which provides legal services and support to immigrants and refugees. According to the campaign's Facebook page, it had raised over $2.3 million out of a $3-million goal as of Monday evening.
