Ask HN: How to validate webapp idea before mvp?

2 points by pruth ↗ HN
If my idea takes a considerable amount of time to implement, is there an easy way to validate it before I develop an mvp and prevent people from implementing it before I do?

2 comments

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You can just ask for feedback about your idea to random people at meetups, on reddit or with small talks at hackerspaces for example.
People sometimes put up landing pages and collect signups as if the thing already existed/was done, and market it as if it were.

I don't know how most feel about this tactic, I think it's a little disingenuous, but it seems to be a thing. Also, if you build the thing (or have started building/designing it), that seems fine