Some of the speaker’s friends had left the social media site.

Everybody sees the same adverts when they are online

A website can decide which information you want to see.

The speaker tells us which political party she supports

The speaker wrote a book called The Filter Bubble

The speaker clicks more frequently on friends with the same ideas

Websites and apps sometimes monitor the way we use them.

A cookie can track your habits on a website

Speaker 5 has made a lot of new friends thanks to online communication.

Speaker 4 thinks that young people today are aware of the

drawbacks of