Many data show that the largest internet technology companies that run social media portals, search engines, information services in cloud computing, instant messaging and other Internet information services gather in their Big Data database systems various information about Internet users using individual information, communication and marketing internet services. Often Internet users are not fully aware of how much information is available about them in Big Data database systems run by the largest online technology companies. on the basis of information collected from various websites and portals about Internet users in Big Data database systems operated by these online technology companies, electronic equivalents of individual People are created in the form of so-called avatars. On the basis of this information, result reports are created in the Big Data database systems of internet technology companies, which are sold to other companies interested in a specific target group of clients, to which they direct their offer of products or services. Frequently, Internet users notice that after they have searched the Internet for information on a specific topic, right after this search on various websites they use, advertisements or products related to what they just searched on the internet have been displayed on advertising banners. This is an example of the use of collected information in the Big Data database systems on the subject of users of individual websites and web portals via the Internet technology company.

In view of the above, I am asking you:

Are there any publications describing the avatars of users of social media portals built in Big Data database systems belonging to the largest online technology companies?

Does anyone of you research the problems of users of online portals built in Big Data database systems?

Please, answer, comments.

I invite you to the discussion.

Best wishes

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