Explore a 25-minute IEEE conference talk on fully online matching algorithms, focusing on techniques that outperform Ranking and Water-filling. Delve into the economic perspective of these algorithms, learn about Balanced Ranking, and understand the necessity of lookahead water levels. Discover the concept of Eager Water-filling and gain insights into potential future developments in this field. The presentation covers key works by Huang et al. and Karp et al., providing a comprehensive overview of the topic.