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The Numbers

I won’t be able to offer some features that iBooks has (such as a true brightness control), but my customers will expect them, making my app inferior to Apple’s in key areas.

This app’s undocumented API use wouldn’t pass the App Store submission process, yet developers need to compete with it for App Store attention. One of the great potential failures of an app-review system is inconsistent or unfair enforcement of the rules.

Apple’s specially privileged, private-framework-using iPhone apps were relatively few, but their first-party area of influence on the iPad has just spread to e-readers, word processors, spreadsheets, and presentation tools: four major markets in which competitors may be at a severe disadvantage by not being able to do the same things as Apple’s alternatives if Apple chooses to play this card there.²