https://knowt.com/note/1df002d6-b449-4b5e-841c-d265f69f5ea3/DeltaDateUpdate-How-Much-Does-Delt youmobs 2 days ago https://knowt.com/note/1df002d6-b449-4b5e-841c-d265f69f5ea3/DeltaDateUpdate-How-Much-Does-Delt