providing an online marketplace for buyers and sellers of goods and services; provision of an online marketplace for buyers and sellers of goods and services; providing an on-line marketplace for buyers and sellers of goods and services; provision of an on-line marketplace for buyers and sellers of goods and services; auction services; providing online auction services; procurement services for others [purchasing goods and services for other businesses]; procurement of goods on behalf of other businesses; merchandising services for inducing the purchasing public to buy the goods of others; trade promotional services