Despite the limitations, e-mail dose have several characteristics that make it tolerable for some e-business events. From a sales standpoint, targeted market con often be identified by locating an appropriate e-mail list. Much like their mailing list counterparts that are used for postal delivery, lists of e-mail addresses for individuals that are likely to be interested in a given product can be useful. Generally, if the marketing medium is e-mail, then the purchase request some times will be transmitted in this manner.