Cross promotions are not a new idea. They have been used by businesses for a very long time. For example, a real-estate company may promote a certain lawyer to close a sale, as the lawyer will promote that agency in his firm. The system is somewhat similar to the primitive barter system, where people traded items rather than using money. How can anything primitive fit into the online world of Internet marketing? Very easily. Cross promotions are, simply stated, a trade of advertising space. Instead of paying for
