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Before these big name self-starters created a household name for their companies, many of them faced failure with their first startups.
Some were young and wanted to make some extra money on the side. Some knew when it was time to say goodbye and move on to their next dream project.
And, in many ways, these early bumps should be viewed in a positive light. After all, if Google co-founder Larry Page had continued to pursue his saxophone music career, your current home page might not exist.
These are the strange successes and bittersweet failures of some of the biggest names in tech.