Spots could also go on computer servers, listing all the internal components for easier servicing, or onto photos, adding sound to the picture.

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And Marcus teaches Sprint-specific skills, like advising trainees with a shaky knowledge of geography to try looking for "Guatemala" in the computer's country listing if they can't find it under cities.

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In the San Jose area, where there are 7, 700 computer science jobs posted, there is a listing at Netflix in Los Gatos for a data science engineer who can do customer analytics.

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