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As iPhone sale sag, Apple touts apps and services instead

You can expect to hear a lot more from Apple about the virtues of mobile apps and online services in coming months. And for good reason: They're just about the only part of Apple's business that's growing right now.

Apps and services have always been key to the appeal of Apple products. But with iPhone sales down for the second quarter in a row — and speculation that a major redesign won't arrive until late next year — Apple is talking up its online business, promoting it with new kinds of ads and even sponsoring an upcoming reality TV show called "Planet of the Apps."

The giant tech company sold 40.4 million iPhones in the last quarter — 15...