Websites and apps sometimes monitor the way we use them.

Everybody sees the same adverts when they are online

The speaker tells us which political party she supports

A website can decide which information you want to see.

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

The speaker wrote a book called The Filter Bubble

A cookie can track your habits on a website

The speaker clicks more frequently on friends with the same ideas

The speaker tells us which political party she supports

The speaker wrote a book called The Filter Bubble