Prepayment providing method for letter, involves providing prepayment contingent orders, online pay and printable advertisement for prepayment contingent, recalling prepayment data set with advertisement, and connecting set with letter
摘要
<p>The method involves connecting calculation technique of an end-user (A), advertising interested firm (B), intermeditor and prepayment provider. The firm with the intermediator provides prepayment contingent orders, online pay and printable advertisement for prepayment contingent. The user with the intermediator recalls a prepayment data set with advertisement and connects the data set with a letter for transport by the provider.</p>
