The 2015 study by Strategic Insight on 529 college savings plans indicates that financial advisers significantly influence plan sales and that the industry is expected to almost double by 2019. The report provides insights on adviser preferences and trends, including how they select and utilize college savings plans, and highlights the importance of product support and distribution strategies for providers. Key findings include the impact of different distribution channels and a strategic roadmap for advisers to enhance the use of 529 plans.