Why does Facebook need personal information from users?

Facebook has came and responded to the most important question why it requires users or your data. Be careful that criticism has occurred and it is trying to assure consumers that their Personal information does not go to everyone's hands. Facebook advertising vice-president Rob Goldman said that the social networking website uses user's age, interests, location and other details to better understand the person so that advertisements like this are News feed Can be seen on Facebook that is more useful for them. Many times Facebook uses Facebook Pixel to use more information about a user.
Goldman said, for instance, an online retailer uses Facebook pixel, so she can say to Facebook that she shows the advertisement of shoes for a specific style or something.  Facebook users are not product for company he reiterated that Facebook never sells personal information of users.

"We do not sell your information, when a company has a campaign on Facebook, their advertisements share a report regarding the performance of the campaign, and we tell them that their advertisement is in men or women. Who has responded more with that and most people clicked on the advertisement on their own ads In Facebook? Facebook says it places advertisements to companies like a TV network, not data.

 These companies advertise their advertisements based on users' designated pages, articles based on the articles that they have opted up or on third parties. The founder of Facebook is compelled to apologize that the entire Facebook income is based on advertisements. And for that he applies to various strategies and that is why it is not possible for the company to avoid privacy concerns in the company.