Other actions in social networks

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Facebook uses information about actions a user takes, such as adding someone as a friend, liking someone, checking in somewhere, clicking on links, or changing information on their profile.

The social network also analyzes user actions that many do not perceive as actions. For example, when a user simply views another user's page, sends and receives messages, searches for a friend or page. In addition, when a user posts a photo or video, Facebook receives data associated with it, such as the date, time, and location of the photo.

Network and communication channel data
The social network also uses information about the user's pakistan mobile phone numbers database network and communication channel, i.e., IP address or mobile phone number, as well as the operator, operating system, location, browser and device used. Facebook also knows which sites the user visited if the social network plugin was installed on them. The service can also obtain this data using cookies.

Data from partners
Facebook receives information about users from its advertising partners, clients, and other third parties. For example, an advertiser may tell Facebook how a user responded to an ad on Facebook to measure the effectiveness of that ad and to improve the quality of that ad.

How Facebook uses this information
The social network not only collects, but also compares the received information about the user and his friends. The service then uses this data for various purposes.

Offering services and functions on social networks
Based on the collected information, Facebook recommends adding people as friends that the user may know. It also suggests which friends can be tagged in a photo. Using the collected data, the social network filters news in the feed. In some countries, the service can display the statuses of people who are nearby.