Free iPhone 4 offers in the internet and the truth about them

Free iPhone 4 offers are popping up in your browser and many of you wonder about the following things.
How it is possible?
Why they are giving this as free when it is a luxury item for many?
Is there any catch behind it?
Importantly you must come from any of the developed countries in the world.
Ok, here is the first one.
If you receive get iPhone 4 free offers through e-mail with attachments, wait.
Even if it comes from a friend of yours don't touch it. It may contain viruses, Trojans and spyware that use images, attachments, or other iPhone 4 related information as bait. Sure your friend's account is hacked. Give him a call and verify about the mail.

Secondly,
you go on an internet search and you find this as a result. "Free iPhone 4".
If you follow the search result the first page will say
Free iPhone 4. Get it now.
Video calling with FaceTime
Retina display with 960 by 640 resolutions
HD video recording
5-megapixel camera with LED flash
Best touch phone.
Apple A4 chip processor.
MMS and many more features that you won't like to miss about this Smartphone.
So first read their terms and condition page of their web site to see how the program is working.
Typically they say

You register for an account in their web site.
Then you must provide a referral to them from one of your friends.
Then you and your friend must complete a form with an offer company provided by them.
Then the "offer companies" pay that web site for signups from you and your referrals.
The web site will buy iPhone 4 with the other companies' money, and then send it to you.
So you understand you are making some commitments with these companies and providing your personal details for them to sale for others and for them to make money. So you may never see your free iPhone 4.
Our suggestion, go to the www.apple.com and buy your own iPhone 4 by paying the correct money.