According to Oxford Living Dictionary:
The filter bubble is largely connected to social media, especially Facebook. We isolate ourselves from different opinions and perspectives, which makes it difficult for us to change our minds and be open to other beliefs. Here is a visual representation of how the filter bubble works (borrowed from Rose-Stockwell's How We Broke Democracy):
Watch the TED Talk above from Eli Pariser, who coined the term "filter bubble."
What is cognitive bias?
"A cognitive bias is a mistake in reasoning, evaluating, remembering, or other cognitive process, often occurring as a result of holding onto one's preferences and beliefs regardless of contrary information"
There are five types of cognitive bias:
Watch the video below to learn more about how cognitive bias can lead you to believe in fake news.