Administrative services relating to call for tender, namely, auctioneering in the form of organization of auctions on the Internet [, including in the form of Dutch auctions and reverse auctions ]; presentation of goods and services, namely, presentation of goods and services for third parties via the internet at an online auction site or an electronic marketplace; arranging of contracts, for others, for the providing of services; arranging of trading and economical contacts, also over the In...