10 years ago this was just a joke, but today, now that we're finally agile enough so that any disorganized jumble of completely unreviewed and unversioned notebooks might suddenly become a production pipeline? Why let a little thing like critical errors halt the execution of that perfect nightmare you've been working on! The only problem is that the database still won't let you shove a string into an integer slot, but data-science is looking forward to switching over to spreadsheets completely as soon as we can migrate the data from redshift.