Do acrylic nails rank up there with indoor plumbing and women’s suffrage as the 20th century’s happiest events? Almost Based on votes by more than 10,000 people, the Secret Society of Happy People listed the 100 happiest events inventions, and social changes of the past century. Number one (and rightly so) was indoor plumbing, the right to vote was #4, and acrylic nails came in at #68, a notch above the Hula Hoop. Also on the list were hair dye (#53), tanning booths (#73), and cosmetic surgery (#76). If you’d like to see the complete list-or if you’re secretly happy—go to

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