Discuss briefly the type of information about the users of social media web sites have to do with technology companies that run these social media portals. Give examples of social media web sites.

Social media are interactive platforms where content is created, distributed and shared by individuals on the web.

Information on Internet users is collected, among others, by the so-called cookies installed in Internet browsers.

large Internet technology companies have the ability to combine information downloaded from various Internet sources, from various information services into one avatar, which is an electronic equivalent of a given Internet user and is built from Big Data database systems.

Online technology companies that run social media portals such as Facebook, YouTube, WhatsApp, Tweeter, LinkedIn, Instagram, Google+, Snapchat, etc. collect large amounts of data about Internet users from various websites, including mainly users of these social media portals.

For the needs of these considerations, the issue of the security of classified data stored in Big Data database systems run by Internet technology companies managing social media portals should be added.

Social media marketing is a newer component of search engine marketing, but it is really in a class of its own. It does not relate only to searching; it relates to a broad class of word-of-mouth marketing that has taken the Internet by its horns. Fortunately, the phenomenon is only growing at this point.

Using available social media tools, users endorse approved content for their peers. As soon as an active user of a social news site or influencer discovers a piece of content and spreads it, word of mouth commences. The idea is a viral spread, which is heightened by online communities and the cross-pollination of content on other social media sites.

Through social media companies are doing there marketing policies .

They can promote their different aspect of business and portfolio as there need .

As social media are very much familiar to any type of user they are targeting this platform.