Eli Pariser popularized the "Filter Bubble" idea in his book and TED talk a few years ago. It's an interesting and concerning concept, but little empirical research supports its conclusions.
What do you think? Will algorithms really shape what we think and who we become? Should we be concerned about this? Most importantly, what's the alternative? How can we use tech to make our information streams manageable without limiting opportunities for serendipity and exposure to new ideas?