Certain sales and marketing myths have been around for so long that even the most experienced salespeople believe them.
Bad publicity is better than no publicity.
Bad publicity spreads very quickly, and it's bad for business. You're a lot better off with no publicity at all. 2.You need to change your marketing materials frequently in order to keep them fresh. No you don't, says Levinson. In fact, the longer that quality marketing promotes a product, the better.