Multi-channel Feature Announcement Strategy

Develop a comprehensive feature announcement strategy for [feature] launching to [audience]. Include: 1) Positioning statement with primary user benefit, 2) Tiered messaging for different user segments, 3) Launch timeline with pre-launch, launch day, and post-launch activities, 4) Channel-specific content for: in-app notification, email announcement, blog post, social media, help center, and sales enablement materials, 5) Success metrics for the announcement itself, 6) User feedback collection mechanism, and 7) Follow-up communication plan. Provide specific copy examples for each channel.