Say "no" old-fashioned spoon to stir the sugar and other soluble substances. This is pure atavism. They were replaced by tech cup: Click on the button - turn mounted to the bottom of it, "propeller" - get a result in the form of mixed coffee. Or tea. Or something else.
Only visible at a distance of a lack of cups - the need to periodically replace batteries (2hAAA). However, it should be done only occasionally, and it more than compensates for a minute spent on mixing drinks and searches spoon.