What might be some challenges in formatting a spreadsheet? What are the added values in formatting a spreadsheet? What new feature (s) enhanced your ability to better format your spreadsheets. Expand on a specific feature of Excel 2013,for example, using Excel to "get perfect printouts," "make drop-down pick lists," "make a shortcut to today's date," "make a numerical constant," "add a smart column," "insert a total row," "seek out duplicate values," and "paste info as an object." In a real-world scenario, how might this feature benefit users?