A method of promoting business on a golf course using golf ball position markers including the steps of: providing replacement golf ball markers mountable on golf gloves, the markers having a corporate theme or logo to be promoted conveyed on the top side of each marker; distributing the markers to golfers and substituting the markers for non-promotion markers which do not convey the corporate theme or logo, so as to promote the corporate theme or logo to the golfers during play, whereby as consecutive golfers from a group of the golfers putt on each green in the series of greens comprising the golf course being played, the corporate theme or logo is recurringly conveyed to the group each time various markers in random order are used during putting on the greens.