Zeroinventory; an inventory with nothing added thereto;
a term used to describe a just-in-time inventory control system where emphasis is placed on reducing inventory to minimal levels to; maintaining a minimum level of inventory as part of a goal to reduce costs and increase profitability although an actual level of zero inventory is well 0

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)