About the Authors

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Hans-Eric Grönlund has developed software professionally since 1990. He’s currently an employee at Knowit, a leading Scandinavian IT Consultancy company, where he helps teams develop software with agile methods.

Software development is not only Hans-Eric’s profession; it’s also his hobby. In his spare time, he has taught himself how to write programs in many different languages on various platforms. His latest passion, obviously, is Objective-C on iOS. Hans-Eric’s Twitter ID is @hansEricG.

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Colin Francis is an iOS developer originally ...

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