ESE uses a beta version of Google Custom Search Engine to search over 23,000 economics websites and utilizes yolink to mine results and retrieve actionable, keyword-rich content. Results can saved to Google Docs, bookmarked or shared via major social networks. Each site is certified by RFE, which is run by economists from RePec Author Services and EDIRC."
"Instant RSS Search is a Google powered feed engine to help you discover RSS feeds around your favorite topics. Try one of these sample search queries:"