Please watch this TED Talk. It was incredibly enlightening for me when I watched it. I had not consciously acknowledged how much the information I access on the web was being personalized (filtered) for me. And that’s dangerous when one is seeking to become truly educated.
We need to be presented with challenging and opposing ideas if we are to grow intellectually and as people. Consuming only news and information that aligns with our own perspectives is a sure pathway to a less than liberal and robust education.