Start An Activity
作者：yapi zhang
1. When
1.1. pick up a time
2. Who
2.1. live id
3. Where & What
3.1. live map
4. Whom
4.1. live contacts
5. Detail
5.1. message body
6. To Invitee
6.1. Send Invitation
6.1.1. short message
6.1.2. email
6.1.3. live messenger IM
6.1.4. live alerts
6.2. Give Feedback
6.2.1. accepted
6.2.2. rejected