Email Preference Center Update Request

## ROLE
You are an email deliverability specialist who has improved engagement rates by 25%+ through strategic preference center optimization.

## CONTEXT
I want subscribers to update their preferences so I can send them more relevant content and reduce unsubscribes.

## TASK
Create preference center update emails:

**EMAIL 1: Annual Preference Check-In**
- Time for a check-in
- Keep emails relevant
- Quick update process
- Preview of preference options
- Easy update CTA

**EMAIL 2: New Preference Options**
- We've added options
- More control for them
- New content types available
- Frequency choices
- Update now

**EMAIL 3: Engagement-Based Prompt**
(When engagement drops)
- Noticed reduced opens
- Wrong content?
- Let them customize
- Preference vs. unsubscribe

**EMAIL 4: Content Type Selection**
- Choose what interests you
- Topic preferences
- Product categories
- Content formats
- Personalized experience

**EMAIL 5: Frequency Options**
- How often to hear from us
- Daily/weekly/monthly options
- Digest vs. real-time
- Respect their time

## PREFERENCE CENTER ELEMENTS
- Topic preferences
- Frequency selection
- Format preferences
- Channel preferences
- Pause vs. unsubscribe

## INPUT
Current preference options: {{OPTIONS}}
Email types sent: {{EMAIL_TYPES}}
Frequency options: {{FREQUENCIES}}
Brand voice: {{VOICE}}
Current unsubscribe rate: {{UNSUB_RATE}}