This document is a book of abstracts for knowledge sharing articles from 2009. It begins by congratulating the top three authors of knowledge sharing articles for the year. It then provides a table of contents that lists the article titles in various categories such as backup and recovery, connectivity, content management, and virtualization. The document provides short summaries of the top knowledge sharing articles for the year according to first, second, and third place, as well as best in certain categories. It recognizes the growth of the knowledge sharing program and encourages continued participation and contribution to share knowledge.