Menlo Park, California – Facebook announced on February 19 that it has reached a definitive agreement to acquire WhatsApp, a rapidly growing cross-platform mobile messaging company, for a total of approximately US$16 billion, including US$4 billion in cash and approximately US$12 billion worth of Facebook shares. The agreement also provides for an additional US$3 billion in restricted stock units to be granted to WhatsApp’s founders and employees that will vest over four years … [Read more...] about Facebook to acquire WhatsApp