Modification Between 20 percent and 40 percent of all new products fail on market entry many the problem is an inability to effectively use marketing strategies that will assure success. Calantone et al. have determined that the degree of innovation is not as important a factor as is the strategy that is used and a higher ratio of R&D to sales. In this case, the usual inference is that modifications particularly in respect of existing, on-line products assure product sales.