The term ________ refers to a line of communication created by people in an audience to connect with others inside or outside the room,with or without the knowledge of the speaker.

A) cloud surfing
B) backchannel
C) blogosphere
D) Twitterverse
E) tag cloud

The term "backchannel" refers to the communication occurring among audience members during a presentation or discussion. This can happen through online chat, text messaging, or other means and may occur with or without the speaker's knowledge or participation. Cloud surfing refers to browsing content on cloud-based storage services, the blogosphere refers to the collective network of blogs, the Twitterverse refers to the social media platform Twitter, and a tag cloud is a visual representation of the most commonly used tags on a website or blog.