Microsoft has published a marketing site for Windows Mobile 6.1, and I'm glad they used Silverlight to create it.
Check it out:
Windows Mobile 6.1 – New Windows Mobile Software for Pocket PC and Smartphone
Instant messaging-like texting- Improved Internet browsing
- Simpler e-mail and Bluetooth setup
- New Home screen interface
- New Getting Started Center
- Security enhancements
- Easier Wi-Fi connection
- More personal choice
[Source: DevHawk - Morning Coffee 160]