What are the possible problems for readers when companies market their goods on social media? how do social media companies make money? can individuals keep the information private from marketers when they use social media?

Problems  

Fraud, untrusty, Copyrights.

Profit from Social Media

With advertising, and selling data bases.

Privacy

It is really hard but it is possible to maintain a great deal of information private if the user goes to the privacy policy in each social media and configurates it in a way that the data is not shared with the company.

Common methods of making money:

Common methods of making money with an internet company have included the collection of advertising sales, the selling of goods or services and the creation of an online market

Explanation:

The privacy concerns of social networking sites are a part of the data protection process, which includes the right to request personal security about processing, re-use, distribution to third party companies and display of self-relevant information throughout the internet. Although some social networks are totally free, others could give their members a subscription option to make cash.  If you buy things online, the biggest problem is that you don't have a price assurance.

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