On-line auction bidding for others; On-line auction services; On-line trading services in which seller posts products to be auctioned and bidding is done via the Internet; On-line trading services in which users post requests for products and negotiate transactions via the Internet; Online advertising and promotional services; Online service for connecting social network users with retailers for the purpose of facilitating discounted purchases; Advertising and publicity services, namely, promoting the goods, services, brand identity and commercial information and news of third parties through print, audio, video, digital and on-line medium; On-line retail department store services; Operating on-line marketplaces for sellers and buyers of goods and/or services; Promoting, advertising and marketing of the brands, products, services and online websites of individuals, businesses and nonprofit organizations; Promotional services, namely, promoting the goods of others by means of providing online coupons; Promotional services, namely, promoting the goods of others by means of providing online gift cards; Promotional services, namely, promoting the goods of others by means of providing online gift certificates; Providing a searchable on-line advertising website and guide featuring the goods and services of other vendors via the Internet; Providing a searchable online advertising guide featuring the goods and services of online vendors; Providing a website featuring an online marketplace for exchanging goods and services with other users; Provision of an on-line marketplace for buyers and sellers of goods and services; Shopping facilitation services, namely, providing an online comparison-shopping search engine for obtaining purchasing information