We’ve heard of major events having their own mobile apps to help you sort through and plan your attendance at numerous sessions and conferences._Macworld/iWorld—a consumer oriented show for the Mac community famous for doing things its own way—is now taking the app thing a step further. For the first time, the Macworld/iWorld conference has a designated an official iPhone photo app: Trunx. This free app from Lifetime Memori_lets you capture, organize, and store your photos privately in the cloud. Its EchoPix feature can simultaneously record sound as you shoot. The app offers both photo and video modes and you can...

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