Facebook advertising system this week released a new challenge for infringement of privacy

 April 19 morning news, according to foreign media reports today, Facebook will develop new systems to track access to Facebook users outside the Internet, and to gather enough information to put in more targeted advertising content .

so-called "behavioral targeting" advertising model is already widely used by sites such as Google, but for Facebook, the move will no doubt provoke further on the site privacy doubt.

Facebook scheduled this week to launch a content sharing button, third-party website can be button to add your own page. Users can directly access these pages marked their favorite content. This feature and Twitter, and Digg's content to share similar functions.

different is that the user mark, the relevant data will be recorded Facebook and Facebook when the user log back on to deliver relevant ads. This is only based on previously Facebook user personal information to advertise different strategies.

new advertising system is expected to be three this week, Facebook launched F8 at the annual meeting. Facebook may also announce their "two-way interactive advertising" (engagement ads) improvement plan.

"two-way interactive advertising" to make Facebook big profit, it allows the user to select a particular brand of fans, which in fact means that users opt to receive information about the brand and promotional advertising. "Two-way interactive advertising" to further facilitate the advertisers to users running promotional ads, and even access your personal information.

Facebook this week announced a "two-way interactive advertising," the changes will "become a fan of the brand" button replaced with "I like."

Facebook declined comment.

analysis that Facebook would or would lead to a new round of privacy questions. Facebook released in 2007, the advertising system called Beacon, Beacon will record the user's trading record of recent purchases, and transaction information will be immediately displayed to the user's Facebook friends, so Facebook would have to face the collective invasion of privacy lawsuit Facebook Beacon in the final increase in the "opt-in" option.

market research firm Enders Analysis analyst Ian? Maude (Ian Maude) that, Facebook's new advertising system to allow other companies without the user choice, free to advertise their pages, without Beacon different from repeating the mistake: "This is the second Beacon."