Kevin Hoffman, editor in chief of Sys-Con Media's iPhone Developer's Journal, is organizing the iPhone Developer Summit for October in San Jose. He said he planned to steer clear of discussions that might break the nondisclosure agreement and instead limit sessions to safe topics such as programming for the iPhone's browser and generic programming for the Macintosh.
"There's a lot of people I'd like to help with code that I can't," he said.
Other iPhone-related conferences have looked the other way as people shared information about the iPhone.
At Manning Publications, marketing coordinator Steven Hong is worried he is going to have to give refunds to the 400 customers who already bought the company's iPhone guide, "iPhone in Action."
They have received electronic versions of the half of the book that covers iPhone Web development but not the 131 pages on the software development kit.
"If this goes on, the number of upset customers will increase," Hong said. "Our production schedule is very tentative right now."
Dave Thomas, a founder of Pragmatic Programmers, a consulting firm and publisher, also has an iPhone book he can't publish.
"Ultimately, consumers are suffering here," he said. "We're seeing some bad applications on the iPhone. It's stifling innovation."
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michelle.quinn@latimes.com