Current trends in( )involve major use of social media such as Twitter, Instagram, Snapchat, and Facebook.

A new study by US researchers has proven for the first time the causal connection between social media

A、

not serious at all

based on the unrealistic situations

limited in scope

more comprehensive

Which social media site owns Instagram?

A、Twitter.
B、Facebook.
C、Snapchat.

Although companies use social media sites and Twitter, few of them employ individuals to monitor the

Twitter is the third most popular social media site.