On-line retail store services in the field of consumer electronics, house wares, home furnishings, home appliances, books, [ wine, ] clothing, [ music, movies, ] art and craft supplies, toys, computers, computer software, computer accessories, food items, luggage, sports equipment, health and fitness equipment, collectibles, musical instruments, knives, key chains, tools, photography equipment, and office supplies; advertising, in particular via electronic media and the Internet; providing advertising space on the Internet; promoting the goods and services of others through the advertising, promotion, and distribution of discount offers, special pricing promotions [, coupons, and rebates ]