A website that actually incentivizes people to share hive content outside of hive.

Have a website where you have ads and ad revenue is used to buy hive and redistribute it (as hive power so it's not insta dumped) to people who had the most pageviews.

On that same website perhaps it could be a community thing where each community owner can decide if he wants ads or not and then he can then decide what to do with the tokens, he would then be incentivized to grow his community (and hive).

At first that same website could just have an upvote bot based on pageviews alone, it would already by a whole lot more productive than the current voting bots.

The incentives are misaligned on hive, and such a website would drastically change how we interact with hive, instead of pandering to whales for upvotes, people would try to get their article trending on reddit/twitter/whatever, which would get some outsider eyes onto hive. Plus we'll have a system where we have some sustainable buy pressure.

Coding it is relatively easy, then for marketing just do what was suggested previously by fredrikaa:

Specify the demographic / topic that we have the best chance of attracting and sustaining despite our limitations and onboarding-obstacles and poor UI (the early adopters are usually fine with that if there's a compelling value proposition or vision).
    
Find blogs/websites that allow guest writers where the target audience naturally resides, and do a post there (may cost a little bit, but it is the best converting early marketing strategy for any new website by far). Make sure to both share the value proposition/vision they themselves care about, in a story about Hive that is also informative (and doesn't look like just promotion).

Ideally combine that with a targeted effort to onboard creators in that particular niche with a medium following that makes them 1. good enough to provide value, but 2. "bad" enough to care about the low rewards on Hive and time commitment to get started.

We absolutely don't want (as I've seen people suggest we pay a lot of money for in other channels) to do generic Hive promotion/marketing. Because there's very little for new users to find of interest (plus a steep learning curve), your conversion rate will suck. Hence why we ought to focus on one area at a time.

And once this website grows big enough, you could even go and sell ad space directly for hive.

Anyways, we desperately need this kind of efforts, even without the ad part doing what fredrikaa says to grow communities.