the following is among the three competitive factors that impact only. Internet sales and market share in a region? The number of branded models/styles that each company has designed and produced for exclusive sale at its regional websites--such models/styles cannot be obtained anywhere else The size of the per pair mail-in rebates on the purchases of online buyers The celebrity appeal ratings of the celebrities who are under contract to endorse a company's branded footwear via videos, pictures, and commentary posted prominently at numerous locations on the company's regional websites Company expenditures to support the online merchandising efforts of third-party online retailers of athletic footwear Whether a company offers free shipping on buyer orders or requires customers to pay the shipping charges