Advertisement for others on the Internet; Advertisement via mobile phone networks; Advertising and directory services, namely, promoting the services of others by providing a web page featuring links to the websites of others; Charitable services, namely, providing a free online resource in the nature of a website for connecting people who have service needs with people who are willing to provide volunteer services; Marketing, advertising, and promoting the retail goods and services of others through wireless electronic devices; Providing a searchable website featuring the goods and services of other vendors; Providing a website featuring an online marketplace for exchanging goods and services with other users; Providing a website for connecting sellers with buyers; Providing an on-line computer database in the field of locating products, describing products, rating products, pricing products and comparing prices of products; Providing an on-line searchable database featuring used books being offered for sale and buyer/seller contact information; Provision of space on websites for advertising goods and services