U.S. Robotics will bundle Propel Software's Propel Accelerator 3.0 software and service with its line of analog modems, enabling dial-up users to browse at speeds up to 5x faster than before, according to the companies. Propel Accelerator is a subscription-based service that works with existing ISPs. Propel Accelerator speeds up the delivery of Web pages by using compression algorithms, caching and proprietary techniques to create "persistent connections" that eliminate the constant opening and closing of TCP/IP flows. The Propel Acceleration Service...