To retain customers and solicit new clients, businesses need proven ways to make their products and services stand out. From subject lines that grab attention to detailed ways of calculating return on investment, every aspect of e-mail advertising is detailed in Permission Based E-Mail That Works. In a clear, lively tone, author and e-mail marketing expert, Kim MacPherson covers the specifics of a new breed in advertising. MacPherson draws from a large pool of material and sources to present a well rounded approach to advertising, including ways opt in (permission based e-mail) can be used to retain customers and acquire new clients. Creative copy, streaming media, and specialized offers can make your e-mail sing, but the ability to measure various approaches is crucial. By understanding the basics of rented e-mail lists versus in house databases, embedded cookies, and return on investment charts, MacPherson has developed an invaluable guide through the ins and outs of the virtual marketplace.