For Millions of Immigrants, a Common Language: WhatsApp – The New York Times

“When Facebook bought WhatsApp for more than $19 billion in 2014, Jan Koum, a founder of the messaging company, arranged to sign a part of the deal outside the suburban social services center where he had once waited in line to collect food stamps.

Mr. Koum, like many in the tech industry, is an immigrant. He was a teenager when he and his mother moved to the San Francisco Bay Area in the early 1990s, in part to escape the anti-Semitic tide then sweeping his native Ukraine. As Mr. Koum later told Forbes, his mother worked as a babysitter and swept floors at a grocery store to survive in the new country; when she was found to have cancer, the family lived off her disability payments.