Meet Nicholas Walker, digital nomad. Like blues musicians who once wandered the South singing for their supper, this 18-year-old high school dropout lives out of a suitcase--sometimes trading his software programming skills for a place to crash or some spending money. His travels have taken him far and wide, from a programmers' confab in Istanbul to Massachusetts Institute of Technology's famed Artificial Intelligence Laboratory. Walker's fresh, earnest face tells all: He's an idealist. He believes in sharing his software innovations with others. "I'm not comfortable with selling the things I do and making money from them," Walker says during a stopover at his parents' home in New Hampshire.
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