Operating on-line marketplaces featuring housing, apartments, cooperatives, extended stay hotels, sublets, rentals, condominiums, townhouses, real estate, short term rentals, sharing of leases, apartment shares, one or two family dwellings, multiple dwellings, general rental and leasing exchange information for the foregoing; Operating on-line marketplaces for sellers and buyers of goods and/or services; Promoting the goods and services of others by providing a website featuring an online rea...