Tarpid ideas are not necessarily impossible. Try to figure out what the hard part of this idea is that has caused other people to not be able to solve it yet. If you want to work on one, here's my advice. First, Google it. It's amazing how many founders just like jump into the first idea they have without even stopping to consider whether it would make a good business.
YC's Jared Friedman shares a framework for how to get and evaluate startup ideas. He delves into examples of YC companies and the inside stories of how they came up with the ideas that turned into billion-dollar companies. Even if you have an existing idea, this talk helps founders confirm that their idea is good and/or provides a framework for a future pivot.
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