WhatsApp's $19 Billion Sale Makes It Worth More Than American Airlines, News Corp And Ryan Air

What'sApp has sold to Facebook for more than $19 billion - and in the process has become one of the world's most valuable companies.

The deal - which includes $4 billion in cash, $12 in stocks and $3 billion in further restricted stock - values the company at among the most important assets on the modern internet.

At with about 450 million users, or $42 per user, that's quite a valuation.

To illustrate this, LinkedIn posted a list of companies which are now officially worth less than WhatsApp.

They are:

• Activison-Blizzard –13.9B
• Alcoa –12.2B
• American Airlines –12.3B
• Akamai –10.9B
• AmerisourceBergen –15.9
• Blackstone Group –17.8B
• Campbell Soup –13.6
• Chesapeake Energy –17.2B
• Chipotle –17.1B
• Citrix Systems –10.7B
• Coach –13.5B
• Consolidated Edison (ConEd) –16.2B
• Discovery Communicatons –19.1B
• Dr. Pepper Snapple Group –10.2B
• Expedia -10.2B
• The Gap –19B
• Fidelity –15.8B
• Harley-Davidson –14.1B
• Hertz –11.5B
• Icahn Enterprises -13.1B
• The J.M. Smucker Company –10B
• Kohl’s –11.1B
• Kroger –19.4
• Loews –17B
• Macy’s –19.6B
• Marriott International –15.4B
• Mattel –12B
• MGM Resorts –12.7
• Monster Beverage –12B
• Moody’s –17.08B
• News Corp –10.27B
• Nielsen –17.6B
• Nordstrom –11.4B
• Progressive –14.3B
• Ralph Lauren –14.2B
• Red Hat –11.1B
• Royal Caribbean Cruises –11.4B
• Ryanair –15.5B
• Sherwin-Williams –19.4B
• Southwest Airlines –14.7B
• Symantec –14.4B
• TD Ameritrade –18.4B
• The Carlyle Group –11.1B
• Tiffany & Co. –11.4B
• Tyson Foods –13.1B
• Under Armour –11.4B
• Whole Foods Market –19.3B
• Workday –17B
• Xerox –13.2B