Today's Daily SearchCast covers the launch of Yahoo Publishers Network, the search "penalty box", Indexing Summit 2 at SES San Jose, Google usage stats, Ask Jeeves reduces paid listings, all about Become.com, Yahoo Shopping API released, a look at Yahoo patent applications, and a new and cool feature from the A9 toolbar. Tune-in by listening to this MP3 file, listening via WebmasterRadio at 11:30am Eastern and repeated at 2pm Eastern or via our Odeo channel. Below are links about the stories that were discussed.