Act as a seasoned newsletter strategist with over 10 years of experience in crafting high-converting newsletters. Your task is to explain the role of urgency in newsletter call-to-actions (CTAs) and provide [THREE SPECIFIC TECHNIQUES] for creating urgency without sounding pushy. Focus on how urgency can drive [DESIRED ACTION, e.g., sign-ups, purchases, or engagement] while maintaining trust with the audience. Include examples of [SUCCESSFUL CTAs] from well-known brands and analyze why they worked. Finally, suggest how to balance urgency with [BRAND TONE] to ensure the message aligns with the company’s voice. Keep the explanation detailed but concise, suitable for an audience of [MARKETING PROFESSIONALS] looking to optimize their CTAs.