This document analyzes letters to shareholders from 21 companies over 3 years (2008-2010) to evaluate communication effectiveness. Key parameters analyzed include positive/negative tone, you-orientation, passive sentences, difficult words and jargon. Findings show positive tone increased over time. You-orientation remained high, reflecting empathy for shareholders. Passive sentences decreased from 2008 to 2010, indicating tougher messaging in hard times. Difficult words and jargon also decreased, improving readability. Overall, the analysis evaluated how communication style adapted to changing market conditions to effectively convey company performance to shareholders.