Can have glasses cleaned with any detergent/washing up liquid. Then if youre about to serve wine with guests coming round, have a kettle or pot on the boil, hold the glass over the steam for a few seconds and dry with a kitchen towel or a very dry, clean, lint free tea towel. To spot check, when finished drying hold over steam another 1-2 seconds and hold glass up to light to spot any missed blemishes. 10-15 seconds per glass tops. Spotless every time.
..used to be chief bottle washer in a restaraunt many moons ago and used the steamer function on the coffee machine to do the above...