For years we have been taught to collect and keep everything we ethically and legally can. But pricing by record count, threats of data breaches, and possible privacy legislation indicate we might need to delete data and records, while the promoters of AI for fundraising are telling us that more data helps train the models.  What should we do? Join Bill Connors—author of the widely-read 2016 whitepaper “To Delete or Not Delete?” about deleting constituent records in Raiser's Edge—as he updates his thinking and, in the absence of clear industry guidance on the matter, provides ideas about how you and your organization should decide what to do.