Knowledge/Information/Filter/Pariser: what we do not know does not have to be as big a problem as what we do not know we don't know. Former US Secretary of Defense Donald Rumsfeld once described this as the "unknown unknown". (1)
Problem/Pariser: personalized filters can interfere with our ability to understand the world because they change our understanding of cards ((s) in the way you can erroneously believe yourself on an island). Even more disturbing is the fact that they remove blanks and transform known unknowns into unknown unknowns.
Problem/Pariser: you cannot zoom out of a personalized filter.
1. Zitiert nach Wikipedia: (Original engl.: "[...] there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns - the ones we don't know we don't know." defense.gov transcript, http://www.youtube.com/watch?v=GiPe1OiKQuk)_____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. The note [Author1]Vs[Author2] or [Author]Vs[term] is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.
The Filter Bubble: How the New Personalized Web Is Changing What We Read and How We Think London 2012