Companies take time to grow from the startup phase to a public company, if they make it at all. The most successful examples are Apple which took three years (founded 1977, IPO 1980), Google which took six years (founded 1998, IPO 2004), and Facebook which took eight years (founded 2004, IPO 2012). However, many startups go out of business before then, as seen in the dot com bust. If you are holding crowdfunding securities and decide to sell them, your options for exit are limited.
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