How Facebook makes money?

The Facebook earning is basically related to one quote-

‘If you are not paying for it, then you are the product!’ 

It gets 80% from Facebook advertising and 20% from virtual games. Facebook's biggest advertisers are:

• Fords
• HSBC
• McDonald's
• Starbucks
• Samsung
• Dell
• Jpmorgan chase
• Disney
• Visa
• Nestle
• Unilever
• Verizon
• Google
• Wall-mart and many more.Facebook invites advertisers of all sizes, its all about likes and shares. The cost of Facebook ads varies from 5 cents to 5 dollars per click.Cost goes up based on marketing, bids and engagement. Other than these Zynga gives the biggest games revenue to Facebook. Hence, every time you hit the like,scroll or comment Facebook is loaded with money!