But it stopped keynoting the independently produced event after 2009 , making its march announcements all the more important .

但2009年以后，苹果停止了在这个活动上进行的主题发言，此举使得3月的新品发布会变得更加重要。

They published my first book , " flying fingers , " -- you see it here -- and from there on , it 's gone to speaking at hundreds of schools , keynoting to thousands of educators , and finally , today , speaking to you .

他们出版了我的第一本书，“飞翔的手指，”就是这个那以后，我到数百个学校是演讲，给数千个教育工作者主题演讲，最后，今天，给你们演讲。