 A host of 3rd party services sprang up to support these systems, offering simple credit card merchant account gateways for the payment of monthly fees, and entire file libraries on compact disk that made initial setup very easy.
<clarity>  A host of 3rd party services sprang up to support these systems, offering simple credit card merchant account gateways for the payment of monthly fees, and entire file libraries on compact disk that made initial setup very easy.
 Many third-party services were developed to support these systems, offering simple credit card merchant account gateways for the payment of monthly fees, and entire file libraries on compact disk that made initial setup very easy.