Fill in the blanks with suitable words based on the information of the passage.

The advantages of Internet technology have made it possible to emerge a good number of websites to facilitate social relations among people around the world. These are known as (a) ______ . At present, (b) ________ is the most popular. Google+, Twitter, LinkedIn, etc. are other frequently used social services. Social network services are (c) _______ and hence provide ways for users to interact through the Internet. These services make it possible to connect people sharing interests and activities across the borders. Users can upload pictures, multimedia contents, and (d) ______ their profiles. Privacy protection measures allow a user to decide over the number of (c) _______ and what information should be shared with others.

a. social media/social networks/social networking services; b. Facebook; c. web-based; d. modify/customize; e. viewers/visitors.

The advantages of Internet technology have made it possible to emerge a good number of websites to facilitate social relations among people around the world. These are known as (a) social media/social networks/social networking services . At present, (b) Facebook is the most popular. Google+, Twitter, LinkedIn, etc. are other frequently used social services. Social network services are (c) web-based and hence provide ways for users to interact through the Internet. These services make it possible to connect people sharing interests and activities across the borders. Users can upload pictures, multimedia contents, and (d) modify/customize their profiles. Privacy protection measures allow a user to decide over the number of (c) viewers/visitors and what information should be shared with others.