What problems do you have that you just cant solve?
ReCAPTCHA was founded by Luis von Ahn when he attended a talk by Yahoo about 10 engineering problems they didnt know how to solve, so HN, what problems do you have that you don't know how to solve?
Developer hiding their lack of knowledge on projects and it being difficult to prove without letting the project fail.
A web search that will give me verbatim results, with boolean support. Ads are fine if not masquarding as results.
Finding mandolin and fiddle students who practice
reconstructing a 3D scene out of a video clip, not affected by moving objects