| • | Permission-Based Customer Acquisition and Data Collection |
| • | Non-Technical List Management Tools |
| • | Double Opt-In Subscription Confirmation |
| • | CAN-SPAM Compliance Features |
| • | Viral Marketing Capabilities, including trackable forward-to-a-friend, refer-a-friend, and invite programs |
| • | Time-Release and Event-Triggered Messaging |
| • | Trackable HTML Transactional Messages |
| • | Custom Fields and Personalization |
| • | Dynamic Content and Smart Lists™ |
| • | A/B Testing |
| • | APIs for Data Management & Integration |
| • | Web Analytics Integration |
| • | Robust Reporting, including Cross-Campaign Comparisons |
| • | Revenue Tracking |
| • | Sub-Accounts |
| • | Template, Image, and Footer Libraries |
| • | Rich-Text HTML Editing |
| • | Built-In HTML Design Consultant |