This session is a case study of an XML-RPC service that bridged two separately developed applications after both were deployed (Digital Asset Management Viewer and AmaRank). Although code examples will be shown in Perl and XML-RPC, the concepts presented here apply to any web service. Web services allow programs written in arbritary languages to talk to each other. XML-RPC is a web service protocol authored by Dave Winer of Userland and is the progenitor of SOAP. The simplicity of XML-RPC allows programmers to rapidly create web services.