In Indonesia, Facebook Asserted Does Not Sell Data

Facebook confirms they don't sell user data, but in fact the data users are indeed used for customized by advertising that appears on Facebook users, so arise the impression of spying conducted on Facebook.

Facebook is thus claimed to use the data they get from other sites to help users, ranging from language in settings, to help analyze visitors to your site and applications, such as gender and age.

Facebook said its hardness, which obtained is used to protect the user, so if there are any IP address that comes from another country to log into someone's Facebook account, then the user can be notified.

For issues ads, when users visit the site travel, then Facebook can know and offer advertisements related to the hotel and a rental car.

That's what why when we search for a product on a site, all of a sudden advertising similar products appear on Facebook.