[Reuters] Elite security posse fostered founders of WhatsApp, Napster - 03/07/14 12:55 PM
SAN FRANCISCO (Reuters) - A few days after selling WhatsApp to Facebook for $19 billion, Jan Koum stepped into a suite at the St. Regis Hotel in San Francisco to celebrate with old friends, including CEOs, reformed hackers and a few people who fell into both those camps.