Mumbai, Dec. 28 -- What was Isaac Newton's contribution to the crossover success of the #MeToo movement? Not motion or gravitation-certainly not "every egregious man must fall". It was a symbol he popularized by accident. Keith Houston, in his 2014 book Shady Characters: The Secret Life of Punctuation, Symbols, and Other Typographical Marks, narrates how the story of the hashtag starts in the 14th century with the Latin term Libra Pondo, meaning "pound in weight". This was abbreviated to lb and drawn with a bar across the top of both letters, to indicate that the I and b were connected. "As people wrote this faster and faster, it evolved into the hash symbol," Houston explains. In the late 17th century, Newton was using the "lb" contraction...