Sure, but the question is one of stability and consistency. Take data input: You want your front line workers to record every time they do thing X. They could

Sure, but the question is one of stability and consistency. Take data input: You want your front line workers to record every time they do thing X. They could go into a spreadsheet and increment the count by 1 (or add a new entry in the row each time) or they could pull out their phone and open an app and press +1X, with the option of -1X if they make a mistake. Which one is going to be better quality data?