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This poll is a spectacular example of selection bias, and the uselessness of polls. There's not a chance in hell that 20% of active Dropbox users have stopped using it, even among tech circles.

I would be amazed if even 20% knew about this in the first place, and amazed if as much as 1/10 of those people truly stopped using Dropbox.

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No one is claiming that this is a scientific poll. You'd have to be naive to assume that the results could be generalized to the population at large. That doesn't mean this poll is useless.

Yes it does. It's a poll of all the people who chose to do this poll.

I suspect that is massively biased towards people who did drop Dropbox.

At the very least the results useless unless we can estimate the self-selection bias.

Nobody but a fool would ever mistake a poll on HN for a poll of the general population.

The entire point of a poll on HN is to poll HN users, not the general population.

This is not a poll of HN users. It's a poll of HN users who clicked a headline about dropping dropbox.

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