"A product needs to be sufficiently innovative to distinguish itself from the pack, but not so forward thinking as to alienate the user."

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We all know that each generation has its own test, the contemporaneous and current standard by which alone it can adequately judge of its own moral achievements, and that it may not legitimately use a previous and less vigorous test. The advanced test must indeed include that which has already been attained; but if it includes no more, we shall fail to go forward, thinking complacently that we have "arrived" when in reality we have not yet started.

— Jane Addams