RafaƂ Malinowski

700 days ago

Why WhatsApp Only Needs 50 Engineers for Its 900M Users

wired.com

Earlier this month, in a post to his Facebook page, WhatsApp CEO Jan Koum announced that his company's instant messaging service is now used by more than 900 million people. And then Facebook CEO Mark Zuckerberg promptly responded with two posts of his own.