If you're curious to know what's being said about your institution, collection or applications, Omgili might help you discover conversations about your organisation, websites or applications. If you don't have the resources for formal evaluation programs it can be a really useful way of finding out how and why people use your resources, and figure out how you can improve your online offerings. From their 'about' blurb:
Omgili finds consumer opinions, debates, discussions, personal experiences, answers and solutions. … [it's] a specialized search engine that focuses on "many to many" user generated content platforms, such as, Forums, Discussion groups, Mailing lists, answer boards and others. … Omgili is a crawler based, vertical search engine that scans millions of online discussions worldwide in over 100,000 boards, forums and other discussion based resources. Omgili knows to analyze and differentiate between discussion entities such as topic, title, replies and discussion date.