璎珞天色

Mix Model

Conference

Code jam

User-group

Idea Vote

Panel discuss

。。。

Co-operator ( trust )

Sponsors (budget)

Plan （ feel free to join topics）

Poster

Gift

Drink Cookie

Hall

Wifi

Register

Agenda

Topics Collection

Sessions Manager

Timer

Speaker

Attendee

organizer

Volunteers

Photographer

Cameraman

Report

Budget

Stories

Video

PPT

Other

Twitter ： @openparty