TEDTalk: Eli Pariser: Beware online “filter bubbles”
Eli Pariser gave a TEDTalk about the dangers of personalization with examples of Facebook and Google. Check it out at YouTube or at the TEDTalks website.
TEDTalk: Eli Pariser: Beware online “filter bubbles”
The danger being you will only stick with your preference, get only information you like and click, not a variety of information that may be important to know. Ignorance and hiding could be keywords here.