Agnes Molnar, a senior search solutions consultant, gave a presentation on managing and troubleshooting search in SharePoint. She discussed major changes in search brought by FAST and SharePoint search. She outlined challenges in search administration like limited delegation support. She also covered troubleshooting challenges like complex architecture and scenarios when search is unavailable or crawls are "hung". Molnar proposed enhancements to troubleshooting tools like crawl logs and health reports. She demonstrated debugging crawl processes and ensuring freshness of search results through incremental and continuous crawls. The presentation concluded with answering questions and providing resources to learn more about enterprise search in SharePoint 2013.