New to Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 293rd installment in their series of digital spreadsheet magic tricks, you'll learn two cell formulas and a named formula that will dynamically count unique words in a column. As you add new records, the count will automatically update. This is accomplished through use of Excel's MAX, ROW, OFFSET, SUMPRODUCT, ISTEXT and COUNTIF functions.