Tim Culpan, Columnist

A Chinese Pebble in Apple's Shoe

The Qualcomm case shows how a minor irritant can turn into a global issue.
Photographer: Qilai Shen/Bloomberg
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If Apple Inc. is lucky, a 10-page complaint posted on social media by a Chinese law firm might be a minor annoyance resulting in little more than some bad press.

Lessons from partner-cum-foe Qualcomm Inc., however, should serve as a warning that Apple's app store business model may be in danger.