This document discusses trends in data warehousing and analytics. It provides an overview of the evolution of data warehousing from its origins in the 1980s to modern approaches. Key stages discussed include the rise of data marts and ETL in the 1990s-2000s, the emergence of big data and Hadoop in the 2010s, and current approaches like logical data warehousing, data lakes, and machine learning/AI. It also examines ongoing challenges around data volume, complexity, legacy systems, and others.