"I gave up sports so I could spend more of my spare time at the computer learning about programming, " he said in his testimony to the Senate Judicial Committee.

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He says the most time-consuming part of their effort won't be computer programming in the classic sense as much as figuring out what statements about the real world users should be presented with, and how those contradict or confirm each other.

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Their options range from using online app-building tools, to taking crash courses in computer programming and coding languages, hiring a costly professional on contract, or recruiting a full-time developer.

WSJ: App Building, the Do-It-Yourself Way