how do internet sites make money such as facebook and craigslist if there free?

[Dinesh]

How to earn money easily through internet

1. visit http://www.instaforex.com. click on Download trading terminal.
2. Download trading terminal MetaTrader 4 from the next page and install it
3. Instaforex is the forex broker to do forex trading.
4. After installing instatrader , click on Tools --> new order , you will see Buy /Sell option.
5. Decide whether to buy the currency or sell the currency.
6. to earn more money use forexrobots .
7. Forexrobots are available in http://www.forexrobot.co.in
8. select which forexrobot to buy and place the forexrobot / expert advisor in the expert advisor folder.
9. Now you can see the expert advisor in the Navigator panel
10. Drag the expert advisor from navigator panel to the EURUSD chart or whatever chart you select for forex trading .
11. Click in exper advisor button in the toolbar for automatic forex trading

Enjoy ForexTrading.
Earn more money
All the best