The RIAA expressed disappointment Friday after a federal appeals court ruled that the trade group has no authority to compel Internet service providers to turn over the identities of subscribers who u

The RIAA expressed disappointment Friday after a federal appeals court ruled that the trade group has no authority to compel Internet service providers to turn over the identities of subscribers who use peer-to-peer file-sharing services. However, the trade group vowed to continue with its lawsuits against consumers suspected of infringing copyrights. One more line is perfect.