Before you create or update your brand messaging and tone of voice, you need to understand your target audience and your competitive landscape. You can use various methods to research your audience, such as surveys, interviews, personas, and analytics. You want to find out their needs, preferences, challenges, and motivations. You also want to research your competitors, such as their value proposition, positioning, and tone of voice. You want to identify their strengths, weaknesses, opportunities, and threats. By doing this research, you will have a clear picture of your audience's expectations and your unique selling points.