價格：免費
檔案大小：9.9 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
The DH app allows you to instantly access information about the event you’re attending and participate in related event activities.
Access the mobile experience for your event to:
- See what’s coming up next at the event and manage your schedule
- Grow your network by participating in group discussions or 1-on-1 messaging
- Be part of the presentation with live polls and Q&A
- Compete with fellow attendees in event challenges
- Share insights, take notes, and access additional materials
支援平台：iPhone, iPad