China Blogger Network（简称CBN）是一个自由型、非商业性质Blog Network，这是由国内一批优秀的Blogger自发组建而成，创建时间为2006年12月左右。CBN中的每一个Blogger都有绝对的自主权，我们不进行任何的约束，所有活动都是在Blogger自愿前提下开展
DonorsChoose is a simple way to provide students in need with resources that our public schools often lack. At this not-for-profit web site, teachers submit project proposals for materials or experiences their students need to learn.