Here's how Facebook listens to you.

According to a study by American and British professionals, it turns out that advertising companies that appear on Facebook manage to listen to you when you click or make “ ”.

By doing just that, Facebook advertisers have increased sales of beauty products and game applications by 50% compared to ads that do not have a specific group target. Increasingly, online writings are also filled with ads that you need to click so that you can follow through on what is written next.

“Although you did not know, every step you take online is recorded - the Web site you visit, the purchase you make, the song you listen to, the messages you post or read on social networks, and the pages you follow on Facebook”, - says study director Sandra Matz, from CBS.

The study, conducted by Cambridge universities and the Columbia Business School in New York, shows that even <x0-cypher digital tracking “is used to influence the behavior of a large group of people.

Scientists have also used several pages that people have enjoyed to see their personality, indicating the effect of the massive “mobbing”. They found that people who like specific Facebook pages, such as the Lady Gaga fan site, are more likely to be more confidential.