Platform as a service (PAAS) featuring computer software platforms for connecting buyers and sellers to facilitate the procurement and sale of products and services and improve supply chain performance; Providing temporary use of on-line non-downloadable software for connecting buyers and sellers to facilitate the procurement and sale of products and services and improve supply chain performance; Platform as a service (PAAS) featuring computer software platforms for use in connecting with buyers and sellers, posting business-to-business opportunities, and bidding to purchase and sell products and services; Providing temporary use of on-line non-downloadable software for use in connecting with buyers and sellers, posting business-to-business opportunities, and bidding to purchase and sell products and services