In addition to new rules for creating apps, Apple released clearer guidelines outlining the process for getting them placed in the app Store.

作为对开发应用程序新规则的补充，苹果公司发布了更清晰的开发指引，描述了直到把程序放置到苹果在线应用商店的整个过程。

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This week, I tested a free iPad app that simplifies the book-creating process: KeepShot.

WSJ: Review of KeepShot: Hassle-Free Photo Books in One Couch Sitting

These resources make it easy for developers to generate ad based revenue by both simplifying the process for including ads in an app and creating a network to bid on mobile inventory at the exact moment when an impression is served.

ENGADGET: Microsoft demoes Twitter and Netflix apps for Windows Phone 7, releases final dev tools