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Thanks so much! It's built on pretty simple/proven technologies: Postgres, Django and React. We've already seen this scale to millions of daily events on basic Heroku dynos. We can swap in other databases if you end up going beyond that.

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Got it! And how do you identify users of your open source version who you can upsell your paid version to, since there's no sign up needed to start using PostHog?

Or is this something you don't do?

We thought long and hard about this. We spoke to founders of other big OS projects - we think if developers at big companies want to use it, they'll want to use some of the enterprise features and reach out. We’ve already seen that start happening :-)

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