how much demand is there?

So. First of all, we need to think in general - how fucked up this idea is and how many possible development plans we can come up with. In general, CVBuilder is a cool idea because people will be looking for a job all the time, and a resume that is properly formatted and with keywords (such as needed) is relevant. In addition, CVs are not created many times, and accordingly, the costs for AI, database, and other things will be low.

And the method of business development can also be LinkedIn, because there developers often indicate their data incorrectly (look at other people's LinkedIn & CV).

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Further development could be CLBuilder, which will create a customized Cover Letter based on AI & your CV.